Friday, July 29, 2011

Nigeria parents risk jail for skipping polio shots (AP)

KANO, Nigeria � Officials in northern Nigeria say parents who do not allow their children to be vaccinated against polio now risk jail time for defying a government order.

The Kano state government says parents who prevent their children from getting immunized during the four-day campaign will face prosecution.

The campaign is targeting about 6 million children in the state, which recently recorded new polio cases.

Polio is largely eradicated in most of the world, but the vaccine has been met with resistance in Nigeria's impoverished north.

One 45-year-old local politician told The Associated Press on Friday that he would not allow his three young children to be immunized, saying he is skeptical of the vaccine.



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J&J cuts maximum Tylenol dose to prevent overdoses (AP)

TRENTON, N.J. � Johnson & Johnson said Thursday that it's reducing the maximum daily dose of its Extra Strength Tylenol pain reliever to lower risk of accidental overdose from acetaminophen, its active ingredient and the top cause of liver failure.

The company's McNeil Consumer Healthcare Division said the change affects Extra Strength Tylenol sold in the U.S. � one of many products in short supply in stores due to a string of recalls.

Starting sometime this fall, labels on Extra Strength Tylenol packages will now list the maximum daily dose as six pills, or a total of 3,000 milligrams, down from eight pills a day, or 4,000 milligrams. Beginning next year, McNeil will also reduce the maximum daily dose for its Regular Strength Tylenol and other adult pain relievers containing acetaminophen, the most widely used pain killer in the country.

Besides Tylenol, acetaminophen is the active ingredient in the prescription painkillers Percocet and Vicodin and in some nonprescription pain relievers, including NyQuil and some Sudafed products. It's found in thousands of medicines taken for headaches, fever, sore throats and chronic pain.

But people taking multiple medicines at once don't always realize how much acetaminophen they are ingesting, partly because prescription drug labels often list it under the abbreviation "APAP."

Two years ago, a panel of advisers to the Food and Drug Administration called for sweeping restrictions to prevent accidental fatal overdoses of acetaminophen.

Then in January, the FDA said it would cap the amount of acetaminophen in Vicodin, Percocet and other prescription pain killers at 325 milligrams per capsule � just under half the 700 milligram maximum of some products on the market then. The agency also said it was working with pharmacies and other medical groups to develop standard labeling for acetaminophen.

"Acetaminophen is safe when used as directed," Dr. Edwin Kuffner, McNeil's head of over-the-counter medical affairs, said in a statement. "McNeil is revising its labels for products containing acetaminophen in an attempt to decrease the likelihood of accidental overdosing."

Excessive use of acetaminophen can cause liver damage. In the U.S., it's blamed for about 200 fatal overdoses and sends 56,000 people to the emergency room each year.

McNeil spokeswoman Bonnie Jacobs said other makers of pain relievers are likely to make similar changes to their product labels.

Extra Strength Tylenol is manufactured at a J&J factory in Las Piedras, Puerto Rico, where production has been decreased for months because the FDA, concerned about manufacturing and quality problems, is requiring additional reviews and approvals before medicines can be shipped. J&J said shipments of Extra Strength Tylenol should ramp up in the latter part of this year and throughout next year.

Las Piedras is one of three factories implicated in most of the 25 Johnson & Johnson recalls since September 2009, involving tens of millions of bottles of Tylenol and other nonprescription drugs made by McNeil. Several prescription drugs, hip implants and contact lenses made by other J&J subsidiaries also have been recalled.

The recalls, for quality problems ranging from metal shavings and improper levels of active ingredients in some medicines to packaging with a nauseating odor, resulted in a consent decree between McNeil and the FDA this spring.

As a result, Las Piedras and a second factory, in Lancaster, Pa., are under additional scrutiny. The third factory, in Fort Washington, Pa., made children's medicines such as liquid Tylenol. It has been closed since April 2010 and is being gutted and completely rebuilt.

Jacobs said the label changes are not related to the recalls.



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Thursday, July 28, 2011

CDC: Strokes rise among pregnant women, new moms (AP)

Strokes have spiked in the U.S. among pregnant women and new mothers, probably because more of them are obese and suffering from high blood pressure and heart disease, researchers report.

Hospitalizations for pregnancy-related strokes and "mini strokes" jumped from about 4,100 in 1994-95 to around 6,300 in 2006-07, a 54 percent increase, researchers said, extrapolating from figures in a large federal database.

"That is a very, very alarm-raising statistic that we need to take extremely seriously," said Dr. Olajide Williams, a neurologist at Columbia University and Harlem Hospital and an American Stroke Association spokesman. "We need to be more aggressive in screening these women for these risk factors."

The number of strokes is small, considering that around 4 million babies are born each year in the U.S. But pregnancy raises a woman's risk of a stroke because of all the hormone and blood changes that occur. If she starts out unhealthy, with a problem like diabetes or high blood pressure, she doubles her risk of suffering a stroke during or right after pregnancy, said Dr. Elena Kuklina, a stroke prevention expert at the Centers for Disease Control and Prevention.

She led the study, published Thursday in the American Heart Association journal Stroke.

Researchers used records from a sample of hospitals in nearly all states, covering up to 8 million hospitalizations each year. They looked at the number of women having strokes or transient ischemic attacks � TIAs, or "mini strokes" � while pregnant or in the three months after childbirth.

Rates were highest in the South and lowest in the Northeast.

Researchers also looked at the prevalence of high blood pressure and heart disease, health problems closely related to obesity, and concluded that this accounted for nearly all the rise in stroke-related hospitalizations. Researchers also noted that women are having children at later ages, and the risk of a stroke rises with age.

Sometimes pregnant women and new moms are so focused on the baby's health that they neglect to consider their own, Williams said.

"They're thinking about the baby's name, the special room and what color they're going to paint the room. They're thinking about motherhood," Williams said. "But an ounce of prevention is always the best recipe for a healthy life."

Kuklina agreed.

"If you plan a pregnancy, try to see your physician before you get pregnant" to be assessed for stroke risks, she advised. And if you are pregnant, "try to start your prenatal care as early as possible. It's important to live healthy lives, to have healthy diets, stop smoking if you are smoking, increase your physical activity and maintain your healthy weight before pregnancy and continue during pregnancy."

Earlier this year, CDC researchers using the same hospitalization records reported that strokes are rising dramatically among young and middle-aged Americans while dropping in older people, a sign that the obesity epidemic may be starting to shift the age burden of the disease.

Getting help fast, as soon as symptoms appear, is key to preventing long-term damage. The warning signs of a stroke are sudden onset of any of these: numbness or weakness on one side, severe headache with no known cause, confusion, and trouble walking, speaking or seeing.

___

Online:

Stroke information: http://www.strokeassociation.org and http://stroke.nih.gov

___

Marilynn Marchione can be followed at http://twitter.com/MMarchioneAP



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Offensive launched to protect Somali relief effort (AP)

MOGADISHU, Somalia � African Union forces have launched an offensive in Somalia's capital so aid agencies can get emergency food supplies to thousands of starving people without coming under attack from al-Qaida-linked militants, an official said Thursday.

The al-Shabab fighters already have killed men who tried to escape the famine with their families, saying it is better to starve than accept help from the West.

Lt. Col. Paddy Ankunda said Thursday that AU peacekeeping forces have conducted a "short tactical offensive operation" in Mogadishu.

"This action will further increase security ... and ensure that aid agencies can continue to operate to get vital supplies to internally displaced," he said.

The devastating famine in the Horn of Africa threatens al-Shabab's hold on areas under its control, with the militants fearing that the disaster will drive away the people they tax and conscript into military service.

In the past, the militants have blocked aid workers from helping those in need in Somalia, fearing that foreign assistance would undermine their control.

A World Food Program plane with 10 tons of peanut-butter paste landed Wednesday in Mogadishu, the first of several planned airlifts in coming weeks.

That will help, but Lt. Col. Kuamurari Katwekyeire, the civil-military coordination chief for the African Union Mission in Somalia, known as AMISOM, said the U.N. and other aid groups need to do more.



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Wednesday, July 27, 2011

Food supplements airlifted into famine-hit Somalia (AP)

MOGADISHU, Somalia � A plane carrying 10 tons of urgently needed nutritional supplements to treat malnourished children has landed in famine-hit Somalia, a U.N. official said Wednesday.

The airlift is part of a crisis intervention as famine threatens to spread across lawless Somalia.

David Orr, a World Food Program spokesman who flew with the shipment from neighboring Kenya to the Somali capital of Mogadishu, said it was the first airlift of food aid since the U.N. declared a famine in parts of Somalia last week.

Orr said the aid would be distributed to medical facilities to treat the malnourished children.

WFP spokeswoman Challiss McDonough said this is first of several planned airlifts in coming weeks. She said Wednesday's shipment of peanut butter-based nutritional paste will treat 3,500 malnourished children for one month.

McDonough said WFP decided to send in the airlift because of an urgent need to treat the growing number of internally displaced children suffering from malnutrition before their condition deteriorates.

She said about 18,000 children are suffering from malnutrition and that the number is expected to grow to 25,000.

WFP says it cannot reach 2.2 million people in need of aid in the militant-controlled areas in southern Somalia because of insecurity.

Somalia has been embroiled in conflict for two decades, since the last leader was overthrown by warlords who then turned on each other. Islamist militant groups have spent the last few years battling the weak U.N.-backed government in an attempt to overthrow it.

Al-Shabab � the most dangerous militant group in Somalia � said last week it will not allow the aid groups to operate in its territories, exacerbating the drought crisis.

Earlier this month al-Shabab, which has links to al-Qaida, had shown indications of wavering on its 2009 ban on certain aid groups in its territories.

The drought has created a triangle of hunger where the borders of Ethiopia, Kenya and Somalia meet. WFP estimates more than 11.3 million people need aid across drought-hit regions in East Africa. The majority of those affected live in pastoral communities whose herds have been wiped out because of a lack of water.

Separately, UNICEF said Wednesday that it is trying to vaccinate more than 300,000 children in Kenya in an emergency program designed to prevent an outbreak of disease as refugees stream into northern Kenya.

Jayne Kariuki from UNICEF said that four northern Kenyan regions will be targeted along with Dadaab, the world's largest refugee camp, during the two-week program to immunize the children against polio and measles.

The children will also receive vitamin A and de-worming tablets. In Liboi, a dusty town in Kenya near the border with Somalia, mothers in long robes clustered around with children as aid workers dispensed medicine under a thorn tree.

Kenya recorded it first polio case infection in 20 years in 2009, after a four-year-old girl was diagnosed with the disease along the country's remote border with Sudan.

Polio is an infectious disease that mainly strikes children under five. It causes paralysis and can be fatal.

In 2006, two refugees escaping the war in Somalia were diagnosed with the disease at the Dadaab refugee camp at Kenya's eastern border with Somalia. That outbreak was contained before it spread.

___

Tom Odula in Nairobi, Kenya, and Katharine Houreld in Liboi contributed to this report.



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For some, hypnosis eases pain, recovery of surgery (AP)

LONDON � As the surgeons cut into her neck, Marianne Marquis was thinking of the beach.

As she heard the doctors' voices, she was imagining her toes in the sand, the water lapping.

Marquis had been hypnotized before surgery to have her thyroid removed. She's among a growing number of surgical patients at the Belgian hospital, Cliniques Universitaires St. Luc in Brussels, who choose hypnosis and a local anesthetic to avoid the groggy knockout effect of general anesthesia.

These patients are sedated but aware, and doctors say their recovery time is faster and their need for painkillers reduced. This method is feasible for only certain types of operations.

In her case, Marquis, 53, imagined herself in a field near a beach � which her anesthetist began describing by whispering into her ear about 10 minutes before surgery. She remembers hearing the doctors talk to her, but said it was as if they were far away.

"I was imagining squishing my toes in the sand and feeling water come up over them," Marquis said. She felt a little pressure on her neck with the first incision but said it wasn't painful.

Since doctors began offering hypnosis at the hospital in 2003, hundreds of patients have chosen it. At another Belgian hospital, more than 8,000 surgeries have been done this way since 1992.

Doctors say nearly any surgery usually done with a local anesthetic could work with hypnosis and less pain medicine. Proponents say hypnosis can dull patients' sense of pain and that it also cuts down on the need for anesthetic.

That means patients recover faster and hospitals save money, according to some studies. But it may require doctors to spend more time with patients beforehand to do the hypnosis and they may need more careful monitoring during surgery.

The technique has become increasingly popular in France and Belgium in recent years. Some plastic and facial surgeons in Germany also use hypnosis, as well as some British dental surgeons.

The French Society of Anesthesiologists describes hypnosis as a valid way to supplement anesthesia to reduce stress, anxiety and pain but neither the Belgian nor British anesthesiology groups offer specific hypnosis advice. Because of demand, the French Society of Anesthesiologists created a special hypnosis branch in their organization last year.

There are no figures on how widely hypnosis is used across Europe. In several of the nearly dozen French hospitals in Rennes, a northwest city of about 200,000 people, it's used in about half of all operations, says Claude Virot, a psychiatrist and director of the Institute of Research and Training in Therapeutic Communication there. Virot helps organize hypnosis training and said about 500 health professionals get it every year in France.

Dr. Fabienne Roelants, Marquis' anesthetist, described hypnosis as a modified state of consciousness. "The patient's mind goes to a pleasant place, but the body stays in the operating room." At Roelants' hospital, one-third of all surgeries to remove thyroids and one-quarter of all breast cancer surgeries, including biopsies and mastectomies, use hypnosis and local anesthetic. She and colleagues hope to expand the technique to procedures like hernias, knee arthroscopies and plastic surgeries.

Roelants said if patients feel any pain during the procedure, anesthetists immediately give them a painkiller shot.

During a recent procedure in Brussels where Christel Place, 43, had her thyroid removed, she furrowed her brow a couple of times to signal to Roelants she needed more drugs. In a green-lit room that helps relax the patients, Place pictured herself hiking in the French Alps while surgeons sliced her neck open.

The thyroid is a small gland at the bottom of the neck and makes hormones to control the body's metabolism. It is sometimes removed when it becomes enlarged, overactive or cancerous. The surgery can be done either with local or general anesthesia and is considered low-risk.

Place said waking up from the surgery was more abrupt than she'd expected. "It was like I was really in the mountains and then 'poof,' it was over," Place said, laughing.

Other experts caution that hypnosis would be impossible in major operations involving the heart or other internal organs because the pain would be unbearable.

"If hypnosis doesn't work and you've got somebody's abdomen or chest open, then you're in big trouble," said George Lewith, a professor of health research at Southampton University. "You need to be able to switch to another option immediately," he said.

Consistency is also an issue. "It's not used routinely because it's not effective in everyone and it takes a while," said Dr. Mark Warner, president of the American Society of Anesthesiologists. He said doctors would need extra time to conduct hypnosis and would need to work more closely with surgeons.

Warner said there are no guidelines on its surgical use in the U.S. He often uses music therapy or asks patients to picture a soothing scene to distract them from any discomfort. "If we could get more research on the right patient groups that would benefit from (hypnosis), that would be wonderful," he said.

Some experts said hypnosis is a hard sell because no one really profits from it.

"The problem is the money doesn't really go into anyone's hands, and the only person who really benefits from it is the patient," said Guy Montgomery, an associate professor at the Mount Sinai Medical Center in New York, who led a study published in the Journal of the National Cancer Institute in 2007.

In that research, Montgomery and colleagues randomly assigned 200 patients in the U.S. having a breast biopsy or lumpectomy to either get hypnosis or a brief session with a psychologist beforehand. They found hypnotized patients needed fewer painkillers and sedatives and required less time in surgery. On average, each hypnotized patient cost the hospital about $770 less than those who weren't hypnotized.

Marquis recommends hypnosis to patients who want to avoid anesthesia, but warned it isn't for everyone.

"You have to be in the right mental frame of mind for this, be properly prepared and trust the medical staff to take care of you," she said. "If you're very skeptical of hypnosis and freaked out about whether it's going to work, it probably won't."



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Tuesday, July 26, 2011

Study looks at NYC fast-food menu calorie counts (AP)

NEW YORK � Like any fitness program, it works only if you pay attention to it.

A new study on New York City's effort to encourage healthy eating by posting calorie counts on menus shows that it worked for about one in six customers � or those who paid heed to them. Those who ignored the numbers or didn't see them ordered whatever they wanted, regardless of how fattening it was.

City health officials who conducted the study said that's good news. On any given visit, customers who looked at the counts generally ordered about 100 fewer calories than those who didn't, according to the results of the study published Tuesday in the British medical journal BMJ.

In 2008, New York became the first municipality in the U.S. to require chain restaurants to post the counts, and other places including California and Seattle followed suit. Starting next year, a federal law will require all chains with 20 or more locations to print calorie counts on menus. British fast-food restaurants are set to introduce a similar but voluntary initiative.

The study was the first large-scale look at the initiative's success at several different chains. Lynn D. Silver, assistant commissioner of the city Department of Health and Mental Hygiene and one of the study's authors, said it showed modest gains in getting people to order lower-calorie meals. But she said the law also led restaurants to widen their offerings of healthier food, such as salads.

"Calorie labeling alone won't cure the obesity epidemic but it is one part of trying to address it," Silver said.

About a third of adults in the U.S. are obese, according to the federal Centers for Disease Control and Prevention.

The study looked at lunchtime purchases at 11 fast-food chains around New York in 2007, before the city law was passed, and then again in 2009. Researchers asked customers for their receipts and spoke to them about their orders. There was no significant change overall. But customers did order fewer calories, on average, at three major chains: McDonald's, Au Bon Pain and KFC. The study notes that those restaurants also introduced healthier choices around the same time the law was passed.

Meanwhile, the sandwich shop Subway showed a big increase in the average calorie count of a lunch order, which the authors linked to the popularity of its "$5 foot-long" deal, introduced nationally in 2008.

The study found that more than 20 percent of customers at Subway and Au Bon Pain paid attention to the calorie counts, an increase from the overall average of 15 percent. Women were more likely to use them when deciding what to order, as were people in wealthier neighborhoods. Young people were the least likely to use them.

The study noted that people are increasingly relying on food prepared away from home.

"There is a strong and growing consensus that consumers want to know what they are eating so that they can make informed choices," the authors wrote.

In a separate development on Tuesday, McDonald's announced changes to its iconic Happy Meal, making the portion of French fries smaller and adding fruit.

Marion Nestle, a professor at New York University's Department of Nutrition, Food Studies and Public Health and author of the blog "Food Politics," said the study confirms that once people pay attention to the calorie counts, they make dietary changes.

"The next step has to be to get more people to look at the info," she said.

In New York City's Midtown at lunchtime on Tuesday, Carlos Munoz, a 29-year-old student at a technical school, munched on a chicken wrap, fries and a soda from McDonald's.

"I don't really pay any mind to it," he said of calorie counts. "I figure one bad thing a day I should be able to burn away."

But he supported their presence on menus.

"You should know what you're putting into your body," he said. "If I'm ever curious, I'd like to know I can get the information."

Inside Starbucks, Alexandra Casey, 23, of Worcester, Ma., said she looks at calorie counts when they're posted. But as a vegan and avid runner, she was more concerned with overall nutritional content rather than just calories. For example, nuts might be high in calories but they're still a better choice than cake.

Casey applauded New York for leading the way in posting the counts but said eateries should provide more comprehensive information about the food and beverages they offer.

"It's not just about a number," she said. "The question is, what's the content of those calories."

___

Karen Zraick can be reached at http://www.twitter.com/karenzraick

___

Online:

http://www.bmj.com/content/343/bmj.d4464



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Study: Medicare drug plan saves hospital costs (AP)

CHICAGO � A new study suggests that Medicare's 5-year-old prescription drug plan is keeping seniors out of hospitals and nursing homes, saving the federal program an estimated $12 billion a year in those costs.

The savings only offset a portion of the $55 billion a year the government spends on Medicare Part D, as the drug plan is known. But the study's authors say it means seniors are staying healthier and enjoying a better quality of life.

"This is what people always hope for: If people get drug coverage, they won't need hospitalization," said Marsha Gold of the nonpartisan Mathematica Policy Research, who wasn't involved in the new study. "If it holds up, that's great news."

The Harvard analysis, appearing in Wednesday's Journal of the American Medical Association, found Medicare saved an average of about $1,200 a year for each senior citizen who had inadequate drug coverage before Medicare Part D. Most of the savings came from hospital and nursing home costs.

That translates to an annual savings of $12 billion, experts said.

With subsidized drug coverage, seniors can afford drugs that prevent trips to the emergency room by lowering cholesterol and blood pressure and controlling diabetes, said lead author Dr. Michael McWilliams of Harvard Medical School.

Other savings come from doctors no longer admitting patients to hospitals just so Medicare would pay for drug treatments � like injectable clot-busting drugs for deep vein thrombosis � that can be given more cheaply in a doctor's office, McWilliams said.

"Spending on one type of service can reduce spending on another type of service," McWilliams said. "By expanding Medicare to include drug benefits, clearly we're spending more, but we're getting a lot of value out of that spending."

The findings suggest that lawmakers, while grappling with reducing the federal deficit, should consider all of Medicare's moving parts and how they affect each other, experts said.

"It's critical to think about the entire program. They can't just be thinking about how to pay hospitals differently," said Julie Donohue, a health policy researcher at the University of Pittsburgh, who wasn't involved in the new study. "They have to think about the whole delivery system and the whole Medicare system."

It's tough for researchers to pinpoint the effect of a policy change because they usually can't randomly assign people to participate in a program or not. Medicare Part D is voluntary. Enrollees pay premiums that cover about 25 percent of the cost. There were 23 million Part D beneficiaries last year.

For the new study, researchers analyzed nondrug Medicare spending for about 6,000 seniors from 2004 through 2007.

The Medicare drug benefit started in January 2006. Before then, about 2,500 of the seniors in the study reported having generous drug coverage, which many bought as supplemental insurance. About 3,500 reported having limited or no drug coverage.

By comparing spending trends before and after 2006, the researchers were able to calculate any nondrug savings.

Previous studies show Medicare Part D increased use of antibiotics and drugs for diabetes, high blood pressure, depression and other chronic conditions.

The nation's 1-year-old health care law is gradually closing the Medicare drug coverage gap, the "doughnut hole," which also should keep seniors out of hospitals, McWilliams said.

But another view on the doughnut hole came from Joseph Antos, a health policy expert at the conservative-leaning American Enterprise Institute. Antos said the doughnut hole "turned out to be a very good idea" because it encourages seniors to use cheaper generics instead of more expensive brand-name drugs.

"It's disastrous policy to whittle away at the doughnut hole," Antos said. "If we see generic usage drop, that means the program is going to cost more."

___

Carla K. Johnson can be reached at http://www.twitter.com/CarlaKJohnson.

___

Online:

JAMA: http://jama.ama-assn.org



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Monday, July 25, 2011

Eye anatomy at camp? Kids get taste of med careers (AP)

WARRENTON, Va. � Again and again, 12-year-old Brianna Bowens cautiously pokes the human eyeball. On purpose.

The donated eye is tougher than you'd think. It takes a few slices with a sharp scalpel to pierce the white part � the sclera, she learns � and eventually remove the cornea in front.

Dissecting a human eye isn't the normal fare of summer camp. It's part of an unusual program at a small northern Virginia hospital that aims to hook kids as early as middle school on the possibilities of a medical career.

It's not for the squeamish. But no one's ever fainted over the eyes.

"I've got a strong stomach," says Brianna, of Stafford, Va., who wants to be a pediatric surgeon "or maybe a nurse."

She betrays her excitement when she's done, the twig-like optic nerve, magnifying lens and clear cornea carefully laid out. Whipping out her cellphone, she exclaims, "Wait, I've got to take a picture."

Tom Gaile of the Old Dominion Eye Foundation teaches the crash course at Fauquier Hospital's medical camp, using eyes donated for education, to explain the importance of organ and tissue donation.

"This is something that's going to stay with them the rest of their lives," he says.

Programs to entice budding scientists, from building robots to measuring pollution, increasingly are becoming part of the summer ritual. On the health side, it can be harder to find hospitals that free up space and staff to give youngsters a taste of what beginning medical students learn � how to suture skin, take blood pressure, put on a cast, insert an IV, type blood � much less handle precious donated eyes.

But more medical camps are cropping up, although no one keeps a count. And if 12 sounds young, well, Virginia in particular is targeting middle-school students so they line up enough science courses for the best shot at increasingly competitive college training programs.

"You can't wait `til you're a senior and decide `I want to go into health care,'" says Barbara Brown, vice president of the Virginia Hospital & Healthcare Association, which helps fund the camps.

She counts 760 mostly middle-school students going through one- to five-day medical camps at 26 hospitals this summer.

The idea is to show kids a wide variety of critical health careers, from nurse-anesthetists to pharmacists to physical therapists.

"Nobody ever says, `I want to be an organ recovery technician,'" says Julie Fainter of Fauquier Health, who coordinates the medical camp in this town west of Washington, D.C.

Judging from the questions that pepper Gaile, maybe some will. Does removing the eye affect funeral viewing? No, the lids are closed. People can donate only the cornea or the entire eye, important as the sclera is transplanted in some eye surgeries and the rest is used for research. Does an eye's color change after it's out of the body? Yes, all irises turn brown after a while.

Marquesia Atwater, 14, came from suburban Atlanta after her mother did a Google search for medical camps.

"I decided my whole life I wanted to be a doctor," she says, a decision the camp cemented. As she examined the eye's lens, she says, "I never knew there was so much stuff in an eye."

During July and August, 92 kids will spend two days each in Fauquier's camps designed for either beginners or returning students. Funded mostly through a $15,000 hospital association grant and staff contributions, kids pay $50 to attend.

Eyes aren't the only hands-on experience.

How do you learn to stitch up a cut when you can't practice on people? They use pigs' feet, but nurse Wendy Greenwood makes sure the kids keep things sterile just like as if it was a person.

Gloves on. Swab the wound with iodine. No scratching your nose, Greenwood tells one student � and watch where you lay the curved needle so no one gets stuck.

Will Merriken, 12, of Warrenton, Va., finishes seven stitches, each a little faster as he gets more comfortable with the painstaking knots. "It's much easier once you have practiced and got the motions down."

On to the hospital's lab. If a kid's going to get lightheaded, this is where it happens, Fainter says, maybe because of the faint chemical odor or the warmth necessary for culturing bacteria. She arms them with peppermints to ward off wooziness.

Inside, Will volunteers first to prick his finger and test his blood type. He drips blood onto a slide and medical technologist Suzie Capron explains how different antibodies make one type clump but not another. He's a B-positive.

Down in the emergency room on a quiet Wednesday morning, Dr. Greg Wagner gathers a dozen of the students for what's called a mock code, a resuscitation drill that doctors and nurses perform to fine-tune their own skills.

Paramedics race in a mannequin: A 45-year-old woman in cardiac arrest.

The kids, each assigned an ER job, spring into action under Wagner's direction. One pumps air into the "patient's" lungs. One inserts a tube to open the windpipe. Three trade off CPR. Another sets up the defibrillator, calling "Clear!" before each of three shocks. Others give injections of heart-stimulating drugs.

Ten minutes later, they abruptly fall quiet as Wagner asks how long they should keep trying before declaring death. No one volunteers.

"How often do patients pass away?" 14-year-old Lark Nash of Warrenton finally asks.

Probably once a week, Wagner responds, describing the hardest part of his job. Nurses reveal a body bag lining the bed, and the students zip it over the mannequin.

___

EDITOR'S NOTE � Lauran Neergaard covers health and medical issues for The Associated Press in Washington.



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Drug prices to plummet in wave of expiring patents (AP)

The cost of prescription medicines used by millions of people every day is about to plummet.

The next 14 months will bring generic versions of seven of the world's 20 best-selling drugs, including the top two: cholesterol fighter Lipitor and blood thinner Plavix.

The magnitude of this wave of expiring drugs patents is unprecedented. Between now and 2016, blockbusters with about $255 billion in global annual sales are set to go off patent, notes EvaluatePharma Ltd., a London research firm. Generic competition will decimate sales of the brand-name drugs and slash the cost to patients and companies that provide health benefits.

Top drugs getting generic competition by September 2012 are taken by millions every day: Lipitor alone is taken by about 4.3 million Americans and Plavix by 1.4 million. Generic versions of big-selling drugs for blood pressure, asthma, diabetes, depression, high triglycerides, HIV and bipolar disorder also are coming by then.

The flood of generics will continue for the next decade or so, as about 120 brand-name prescription drugs lose market exclusivity, according to prescription benefit manager Medco Health Solutions Inc.

"My estimation is at least 15 percent of the population is currently using one of the drugs whose patents will expire in 2011 or 2012," says Joel Owerbach, chief pharmacy officer for Excellus Blue Cross Blue Shield, which serves most of upstate New York.

Those patients, along with businesses and taxpayers who help pay for prescription drugs through corporate and government prescription plans, collectively will save a small fortune. That's because generic drugs typically cost 20 percent to 80 percent less than the brand names.

Doctors hope the lower prices will significantly reduce the number of people jeopardizing their health because they can't afford medicines they need.

Dr. Nieca Goldberg, director of The Women's Heart Program at NYU Langone Medical Center in Manhattan, worries about patients who are skipping checkups and halving pills to pare costs.

"You can pretty much tell by the numbers when I check the patient's blood pressure or cholesterol levels," that they've not taken their medications as often as prescribed, she says.

Even people with private insurance or Medicare aren't filling all their prescriptions, studies show, particularly for cancer drugs with copays of hundreds of dollars or more.

The new generics will slice copayments of those with insurance. For the uninsured, who have been paying full price, the savings will be much bigger.

Daly Powers, 25, an uninsured student who works two part-time jobs at low wages, says he often can't afford the $220 a month for his depression and attention deficit disorder pills. He couldn't buy either drug in June and says he's struggling with his Spanish class and his emotions. He looks forward to his antidepressant, Lexapro, going generic early next year.

"It'd make all the difference in the world," says Powers, of Bryan, Texas.

Generic medicines are chemically equivalent to the original brand-name drugs and work just as well for nearly all patients.

When a drug loses patent protection, often only one generic version is on sale for the first six months, so the price falls a little bit initially. Then, several other generic makers typically jump in, driving prices down dramatically.

Last year, the average generic prescription cost $72, versus $198 for the average brand-name drug, according to consulting firm Wolters Kluwer Pharma Solutions. Those figures average all prescriptions, from short-term to 90-day ones.

Average copayments last year were $6 for generics, compared with $24 for brand-name drugs given preferred status by an insurer and $35 for nonpreferred brands, according to IMS Health.

Among the drugs that recently went off patent, Protonix, for severe heartburn, now costs just $16 a month for the generic, versus about $170 for the brand name. And of the top sellers that soon will have competition, Lipitor retails for about $150 a month, Plavix costs almost $200 a month and blood pressure drug Diovan costs about $125 a month. For those with drug coverage, their out-of-pocket costs for each of those drugs could drop below $10 a month.

Jo Kelly, a retired social worker in Conklin, Mich., and her husband Ray, a retired railroad mechanic, each take Lipitor and two other brand-name medicines, plus some generic drugs. Both are 67, and they land in the Medicare prescription "doughnut hole," which means they must pay their drugs' full cost, by late summer or early fall each year. That pushes their monthly cost for Lipitor to about $95 each, and their combined monthly prescription cost to nearly $1,100.

Generic Lipitor should hit pharmacies Nov. 30 and cost them around $10 each a month.

"It would be a tremendous help for us financially," she says. "It would allow us to start going out to eat again."

For people with no prescription coverage, the coming savings on some drugs could be much bigger. Many discount retailers and grocery chains sell the most popular generics for $5 a month or less to draw in shoppers.

The impact of the coming wave of generics will be widespread � and swift.

Insurers use systems that make sure patients are switched to a generic the first day it's available. Many health plans require newly diagnosed patients to start out on generic medicines. And unless the doctor writes "brand only" on a prescription, if there's a generic available, that's almost always what the pharmacist dispenses.

"A blockbuster drug that goes off patent will lose 90 percent of its revenue within 24 months. I've seen it happen in 12 months," says Ben Weintraub, a research director at Wolters Kluwer Pharma Solutions.

The looming revenue drop is changing the economics of the industry.

In the 1990s, big pharmaceutical companies were wildly successful at creating pills that millions of people take every day for common conditions, from heart disease and diabetes to osteoporosis and chronic pain. Double-digit quarterly profit increases became the norm.

But the patents on those blockbusters, which were filed years before the drugs went on sale, last for 20 years at most, and many expire soon.

In recent years, many drug companies have struggled to develop new blockbuster drugs, despite multibillion-dollar research budgets and more partnerships with scientists at universities and biotech companies. The dearth of successes, partly because the "easy" treatments have already been found, has turned the short-term prognosis for "big pharma" anemic.

"The profit dollars that companies used to reinvest in innovation are no longer going to be coming," warns Terry Hisey, life sciences leader at consultant Deloitte LLP's pharmaceutical consulting business. He says that raises "long-term concerns about the industry's ability to bring new medicines to market."

But pharmaceutical companies can save billions when they stop promoting drugs that have new generic rivals, and U.S. drug and biotech companies are still spending more than $65 billion a year on R&D.

The 20 new drug approvals in the U.S. this year, and other important ones expected in the next few years, eventually will help fill the revenue hole.

For now, brand-name drugmakers are scrambling to adjust for the billions in revenue that will soon be lost. Many raise prices 20 percent or more over the last couple years before generics hit to maximize revenue. Some contract with generic drugmakers for "authorized generics," which give the brand-name company a portion of the generic sales.

Brand-name companies also are trimming research budgets, partnering with other companies to share drug development costs and shifting more manufacturing and patient testing to low-cost countries.

Pharmaceutical companies have cut about 10 percent of U.S. jobs in four years, from a peak of about 297,000 to about 268,000, according to Labor Department data. Nearly two-thirds of the cuts came in the last 1 1/2 years, partly because of big mergers that were driven by the need to shore up pipelines and boost profit in the short term by slashing overlap.

Drug companies also are trying to stabilize future sales by putting more sales reps in emerging markets such as China and India, and diversifying into businesses that get little or no generic competition. Those include vaccines, diagnostic tests, veterinary medicines and consumer health products.

As the proportion of prescriptions filled with generic drugs jumped to 78 percent in 2010, from 57 percent in 2004, annual increases in prescription drug spending slowed, to just 4 percent in 2010. According to the Generic Pharmaceutical Association, generics saved the U.S. health care system more than $824 billion from 2000 through 2009, and now save about $1 billion every three days.

The savings are only going to get greater as our overweight population ages. People who take their medicines regularly often avoid costly complications and hospitalizations, says AARP's policy chief, John Rother, bringing the system even bigger savings than the cheaper drugs.

In addition, many patients taking a particular brand-name drug will defect when a slightly older rival in the same class goes generic.

Global sales of Lipitor peaked at $12.9 billion in 2006, the year Zocor, an older drug in the statin class that reduces bad cholesterol, went generic. Lipitor sales then declined slowly but steadily to about $10.7 billion last year. That still makes Lipitor the biggest drug to go generic.

For patients, it's a godsend.

Douglas Torok, 59, of Erie, Pa., now spends nearly $290 every three months for insulin for his Type 2 diabetes, plus four daily pills, including Lipitor, Plavix and two generics, for his blood pressure and cholesterol problems. The $40,000-a-year foundry supervisor fears not being able to cover the out-of-pocket costs when he retires and doesn't have a generous prescription plan.

In the meantime, once Lipitor and Plavix get generic competition his copayment will plunge from the current $1 per day for each.

"I will pay $16 for 90 days" for both, says Torok, who hopes to travel more. "It's a big deal for me on my income."

___

Brand-name drugs going off patent through 2015: http://www.medcohealth.com/art/corporate/anticipatedfirsttime_generics.pdf

Brand-name and generic drug price comparisons:



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Sunday, July 24, 2011

CDC: Chickenpox deaths plummeted since vaccine (AP)

ATLANTA � Chickenpox vaccine has dramatically cut deaths from the disease, especially in children, says a new government study proclaiming an important public health victory.

Researchers from the Centers for Disease Control and Prevention found that chickenpox deaths fell from an average of 105 per year to 14 after the vaccine had been available for a dozen years.

Deaths declined in all age groups, but the drop was most significant among children.

"To see the near elimination of chickenpox deaths in this country is very exciting," said Jane Seward, a CDC official who co-authored the paper. She has been involved in the agency's chickenpox vaccine program for 15 years.

The report was released online Monday by the journal Pediatrics.

Chickenpox is caused by a virus and is highly contagious. Symptoms include an itchy skin rash and fever. Most kids suffer no more than that, but some suffer complications like skin infections, swelling of the brain and pneumonia. Severe cases are more common among adolescents and adults who get it for the first time. Also, the virus � called varicella � can reactivate in people later in life and cause a painful illness called shingles.

While rarely fatal, chickenpox was very common before the vaccine � nearly one in 10 pre-adolescent children would get it in a year, said Dr. Eugene Shapiro, a Yale University expert in infectious disease.

In 1995, the government first recommended that all children get a dose of chickenpox vaccine. One dose turned out to be about 86 percent effective. A second dose is now recommended.

The new CDC study looked at national records for deaths attributed to chickenpox. In the five years before the vaccine, an average of 105 Americans died of the virus annually. By 2007 � 12 years after the vaccine � the annual death toll had dropped to 14, and almost all were adults.

The vaccine deserves credit for the decline in children's deaths, Seward said. It's also likely cut adult deaths because there are fewer infected children around to spread it to adults, she added.

___

Online:

CDC: http://tinyurl.com/chickenpoxinfo



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Friday, July 22, 2011

'30 days of hell' for US victim of German E. coli (AP)

ATLANTA � In early May, John Meyer stayed at a lakeside hotel in Hamburg, Germany. He attended a business conference. He went sailing. And he became one of the few U.S. victims in one of the worst food poisoning outbreaks in recent world history.

Meyer went to the hospital a week later with what turned out to be a rare and deadly strain of E. coli bacteria that caused thousands of illnesses, mostly in Germany. He would spend the next month in a Massachusetts hospital, much of the time a delirium, while doctors worked around the clock to save his life.

Meyer is one of six U.S. cases linked to the German outbreak and he's the first to talk about his terrible experience, speaking to The Associated Press by phone from his home in Franklin, Mass.

"It was 30 days of hell," said his wife, Loreen.

Meyer was in Hamburg as that city was emerging as the epicenter of a food poisoning disaster that would be among the deadliest in memory. More than 4,000 people in Germany and other countries became ill since the outbreak was detected in May, including several hundred who developed a serious complication that can lead to kidney failure. At least 53 died.

The outbreak ultimately was traced to a batch of fenugreek seeds from Egypt. The seeds, which taste a bit like burnt sugar, are sometimes used as a spice in cooking. Fenugreek sprouts are used in salads.

Meyer believes he must have eaten fenugreek while attending a business meeting at the Hamburg hotel. He thinks the tainted seeds, or sprouts, could have been in the fresh fruits and vegetables at a breakfast bar. There would be some irony if that was the case: It's hard to find good produce during hurried business trips, and Meyer had welcomed the opportunity to eat healthy.

"In this case, it backfired," he said.

Meyer's lawyer provided the AP with lab results and government investigation reports into his illness. Massachusetts state health officials also confirmed he was infected with the rare German E. coli strain. Meyer declined to allow his doctor to speak to the AP and he would not agree to be photographed.

Some common forms of food poisoning can cause symptoms within a day of eating tainted food, but Meyer said he felt no ill effects during a six-day European business trip that included two days in Hamburg and a brief stop in France afterward. He returned home on May 13 feeling fine.

However, this unique and dangerous E. coli bug takes a week to announce its presence. Meyer first became aware something was wrong on May 18. He was at his desk at Senior Aerospace that morning when his abdomen began hurting.

At 52, he is a cyclist who eats two Greek yogurts each day. He says he's never had food poisoning, but on that day he went home in pain.

By midafternoon, he was hit with bloody diarrhea and a dawning sense of alarm. "Whatever it was, it wasn't a minor thing," Meyer said. His wife Loreen, a high school biology teacher, was home by then and worried. She took him to nearby Milford Regional Medical Center.

Doctors there saw him quickly but weren't able to diagnose him. They recommended follow-up with a gastroenterologist the next day and sent him home for the night. But when he got home the diarrhea accelerated. "Every hour, and then it started getting even closer," he recalled.

Loreen took him back to the hospital that night and he was admitted.

Though it all happened less than two months ago, Meyer's memory is fuzzy on what happened the next several weeks. He had intense stomach pain and his kidneys stopped working. Doctors put him on fluids to rehydrate him. They treated him with different antibiotics, and cleansed his blood using dialysis and other measures.

The infection affected his mind. He recalled staring at a clock in his hospital room and not being able to tell time. "I was thinking, `Why do they have this strange clock in here, and why is it set up differently?'"

Meyer said he grew paranoid, believing that his doctors had written him off for dead. Doctors had not given up on him, but were perplexed. A test for the most dangerous form of E. coli familiar to Americans came back negative. They sent specimens for additional analysis to lab with the Centers for Disease Control and Prevention lab in Atlanta.

In early June, CDC confirmed it was the German strain.

Around that time, he had begun to recover. His kidneys were improving. His awareness returned. He was moved out of intensive care more than three weeks later, and on June 17 he was sent home.

But he was far from normal. He and his wife said his muscles had atrophied, his red blood cell count was still down, and the lining of his colon had become a layer of dead tissue, unable to absorb nutrients. A man who had been an athletic 6-foot 2 and 185 pounds was down to 162 pounds and able to walk only short distances using a cane. He was hungry, though. Voracious, even, eating two breakfasts, two lunches and two dinners each day.

"He had such a huge appetite because he was still not able to absorb as many nutrients," his wife said.

Now he's up to 170 pounds and working part days from home. He's been in physical therapy and regaining his strength, though he's months away from the kind of vigorous exercise he used to do.

Meyer and his wife contacted a local attorney, saying they were worried about possible problems with getting health insurance to pay his hospital bills. That turned out not to be an issue. But the attorney referred the couple to Bill Marler, a Seattle lawyer considered the nation's pre-eminent plaintiff's attorney in food poisoning cases.

Marler is looking into the possibility of a lawsuit, with potential targets including the company that owns the Hamburg hotel where Meyer stayed.

He called Meyer's suffering "horrific," and echoed Meyer's wife in worrying that he may suffer long-term problems.

For his part, Meyer feels lucky to have survived, crediting his doctors for saving his life and his good health and fitness before the illness for helping him get through it.

"Many unfortunate people didn't survive," he said. "It really is a frightening thing."



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Thursday, July 21, 2011

Govt proposes clearer labeling of meat additives (AP)

WASHINGTON � The Agriculture Department wants consumers to know when there's less chicken in their chicken.

A proposed rule aimed at food companies would require that poultry and other raw meats be labeled appropriately when they're plumped up by added solutions such as chicken broth, teriyaki sauce, salt or water. The practice of adding those ingredients is common, but many consumers don't know about it.

According to USDA, about one-third of poultry, 10 percent of beef and 90 percent of pork may have added ingredients � about 40 percent of all raw, whole cuts of meat. The rule does not apply to ground beef, which may have other added substances.

"Consumers should be able to make an informed choice in the store, which is why we need to provide clear, informative labels that will help consumers make the best decisions about feeding their families," said Elisabeth Hagen, head of food safety at the department. "It has become evident that some raw meat and poultry labels, even those that follow our current guidelines, may not be clear."

Labels now say that the meat contains added solutions or is "enhanced," but they may not be visible to consumers or understandable. If the rules are finalized, the label would now have to be part of the product title. An example of the new labels would be "chicken breast � 40% added solution of water and teriyaki sauce," according to USDA.

Richard Lobb of the National Chicken Council says the poultry industry is split on the issue, as some companies add ingredients to their poultry and some don't. He said the level of added ingredients in poultry is generally 15 to 18 percent of the piece of meat.

Red meat processors immediately objected to the rule. The American Meat Institute called it "wasteful" and "unnecessary" and said it would cause prices to go up for consumers.

Consumer groups have been pressuring the department to crack down on the practice for several years, saying the added ingredients are unhealthy.

"Who wants to pay $4.99 a pound for the added water and salt?" said Michael Jacobson, executive director of the advocacy group Center for Science in the Public Interest. "Besides cheating customers financially, `enhancing' meat and poultry delivers a stealth hit of sodium."



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Alzheimer's debate: Test if you can't treat it? (AP)

PARIS � Picture yourself in Barbara Lesher's shoes: 54 years old and fearing you are developing Alzheimer's disease.

"I don't remember if I had a bath," said Lesher, who lives north of Harrisburg, Pa. "It took me two hours to follow a recipe. I drove to my childhood homestead the other week instead of my own home. It's really scary."

Doctors are arguing about whether to test patients for signs of the incurable disease and tell them the results.

The debate raged this past week at the Alzheimer's Association International Conference in France, where research on new methods � easier brain scans, an eye test, a blood test � made it clear there soon may be more such tools available.

Here's why it's an issue: Many people have brain plaques, suggesting they might be developing Alzheimer's even if they don't have any symptoms. This plaque can be seen decades beforehand and does not ensure someone will get the disease. Many also won't live long enough to develop symptoms.

For those who do have Alzheimer's, there are no good treatments. Current drugs ease symptoms � they work for half who try them and for less than a year on average. Most experts think treatment starts too late, but there's no evidence that starting sooner or learning you have brain plaque will help. Experts are divided.

"We have to look for patients or signatures of the disease at earlier stages," urged Dr. Harald Hampel of the University of Frankfurt, Germany.

But Dr. Kenneth Rockwood of Dalhousie University in Halifax, Nova Scotia, Canada, says there is no data "to show that knowing makes any difference in outcomes. Until we do, this is going to be a tough sell."

More than 35 million people worldwide have Alzheimer's, the most common form of dementia. In the U.S., more than 5 million do � 13 percent of those 65 and over, and 43 percent of those 85 and up, a rapidly growing group.

Still, half of people who meet medical criteria for dementia have not been diagnosed with it, the Alzheimer's Association estimates. And many who are told they have Alzheimer's or are assumed to have it really don't.

Even when researchers use the best cognitive tests to enroll people in clinical trials, about 10 percent ultimately are discovered not to have the disease, said William Thies, the Alzheimer's Association's scientific director.

"The Alzheimer's drugs don't work in these folks, so there's no reason to expose them to those risks," said Thies, long an advocate of early diagnosis.

Misdiagnosis is a lost opportunity to help. A new medication or combination of medications may suddenly make someone appear demented. Brain fog can occur after surgery and abate over time. Sleep problems are common in older people and can cause profound confusion that can be misinterpreted as dementia, according to research presented at the conference by Dr. Kristine Yaffe of the University of California, San Francisco.

"Some of these are treatable" by avoiding naps during the day or treating sleep apnea, in which brief interruptions of breathing cause people to wake during the night, Yaffe said. Snoring is a big sign. Older people with sleep problems are more likely to be put in nursing homes, she said.

Dr. R. Scott Turner, director of the memory disorders program at Georgetown University Medical Center, has seen that all too often.

"I'm certainly in the camp that screening should be done," he said. Many patients are simply declared to have dementia without testing to see if they have another condition.

"Sometimes it's thyroid disease, or depression, or vitamin B-12 deficiency � something that's very treatable," he said.

Testing someone with symptoms is far less controversial than testing people with no symptoms but a lot of fear. Doctors worry that these newer methods, such as an easier type of brain scan that's expected to be available within months, will be directly marketed to the public, prompting expensive and excessive testing based on fear.

"The phrase you often hear is that the 'Big A' (Alzheimer's) has replaced the 'Big C' (cancer)" as a major source of fear, said Dr. Jason Karlawish, a University of Pennsylvania ethicist specializing in dementia issues.

Recent guidelines by the U.S. National Institute on Aging and the Alzheimer's Association say these tests should be used only in research until they have been standardized and validated as useful and accurate tools.

A researcher using one of these tests, such as a spinal fluid check for a substance that may predict Alzheimer's risk, has no obligation to disclose the results to a patient until there is a meaningful treatment for the disease, Karlawish argued at the conference.

The more symptoms a patient has, the more justified it is to help understand what is known about possible reasons, he said.

Lynda Hogg of Edinburgh, Scotland, is very glad her doctors diagnosed her Alzheimer's in 2006. She is doing exceptionally well on one of the existing drugs and is in a clinical trial for an experimental one she hopes will help her and help advance knowledge in the field.

At a discussion connected with the conference, she said the early diagnosis helped her get financial and legal matters in order and serve on the Scottish Dementia Working Group and the board of Alzheimer's Disease International.

"I am certain involvement keeps me focused and involved in society," she said.

The Alzheimer's Association says early diagnosis and evaluation can bring the following benefits:

� Treatment of reversible causes of impairment.

� Access to drugs that help treat symptoms.

� Inclusion in clinical trials that give expert care.

� Avoiding drugs that can worsen cognition.

� Letting others know of a need for help managing medicines and daily life.

� Easing anxiety about the cause of symptoms.

� Access to education, training and support services.

� The ability to plan for the future.

Lesher, the woman from Pennsylvania, wishes she had a clearer picture of what lies ahead for her.

"Not being able to get diagnosed is the must frustrating thing in the world," she said.

___

Online:

National Institute on Aging: http://www.nia.nih.gov/Alzheimers

Alzheimer's Association: http://www.alz.org

National Alzheimer's Plan: http://bit.ly/fFWWCT

___

Marilynn Marchione can be followed at http://twitter.com/MMarchioneAP



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Wednesday, July 20, 2011

Lack of sperm coating plays role in infertility (AP)

WASHINGTON � Scientists have found a new contributor to male infertility, a protein that's supposed to coat sperm to help them swim to an egg, unless that coating goes missing.

About 20 percent of men may harbor gene mutations that leave their sperm coat-free and thus lower their fertility, an international research team reported Wednesday.

Today's reproductive tests can't spot the problem, said study co-author Dr. Theodore Tollner of the University of California, Davis.

"You would have no reason to think many of these men with the genetic mutation would have reduced sperm function," he said.

Anywhere from 10 percent to 15 percent of couples experience infertility, and doctors can't always find the cause. A lack of sperm or problems with their shape or ability to move explains only a fraction of infertility.

The California-led team found a new reason, a protein that's part of a family of germ-killing molecules found on the surfaces of a variety of tissues. It's secreted as sperm journey into the female reproductive tract, helping the sperm to penetrate the mucus in a woman's cervix and to avoid being tagged as an invader by her immune system.

Having two copies of a particular gene mutation means sperm cannot produce that coating. Lab tests show those sperm have a hard time making it through the mucus.

But how much does that affect fertility?

The researchers tracked 500 newly married Chinese couples attempting to conceive. The birth rate was 30 percent lower among couples with a husband who harbored that double mutation, scientists reported in the journal Science Translational Medicine.

Having just one copy of the mutated gene doesn't seem to hinder conception.

The coatless sperm don't always fail, so it's not clear just how much this issue contributes to male infertility overall.

But creating a test to diagnose these men would be easy, the researchers said. Such a test potentially would lessen the time that a couple having problems conceiving spends in limbo before trying treatments such as having sperm placed directly into the woman's uterus.

One day, a vaginal gel might even let sperm pick up the protein coating as it travels into the cervix. The California researchers say they're already trying that with animals.



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CDC: Frogs tied to salmonella being sold again (AP)

ATLANTA � A California company has resumed selling a kind of pet frog that caused salmonella illnesses in more than 240 people, most of them children. And federal health officials are not happy.

Centers for Disease Control and Prevention officials on Wednesday warned consumers that Blue Lobster Farms in June had resumed shipping African dwarf frogs from its Madera County, California, breeding facility. They say the frogs may still pose a serious health risk.

The company voluntarily stopped shipping the frogs in April, after an investigation fingered them as the source of a salmonella outbreak that sickened people nationwide over two years. No one died, but many illnesses were in children under 5 years old � some hospitalized.

Company officials could not be reached for comment.

___

http://www.cdc.gov/salmonella/water-frogs-0411/

http://www.cdc.gov/media/matte/2011/05_waterfrogs.pdf



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Progress is seen on a blood test for Alzheimer's (AP)

PARIS � Scientists are closing in on a long-sought goal: A blood test to screen people for Alzheimer's disease.

An experimental test did a good job of indicating how much of the telltale Alzheimer's plaque lurks in people's brains, Australian researchers reported Wednesday. If the test proves accurate in larger studies, it could offer a way to check people having memory problems to see who needs more definitive testing for the disease.

Many blood tests are being developed and a few are used in research settings now, but only the Australian one has been validated against brain scans and other accepted diagnostic tests with good accuracy in large groups of people, said Maria Carrillo, senior director of medical and scientific relations for the Alzheimer's Association.

The results, reported Wednesday at the Alzheimer's Association International Conference in France, "give us hope that we may be able to use a blood test in the near future," although that doesn't mean next year, she said.

More than 5.4 million Americans and 35 million people worldwide have Alzheimer's, the most common form of dementia. It has no cure and drugs only temporarily ease symptoms. Finding it early allows patients and their families to prepare, and ruling it out could lead to diagnosing a more treatable cause of symptoms, such as sleep problems.

Brain scans can show signs of Alzheimer's � sticky clumps of a protein called beta amyloid � a decade or more before it causes memory and thinking problems, but scans are too expensive and impractical for routine use. Doctors and patients need simple ways to screen people for the disease.

Samantha Burnham and others at Australia's national science agency, CSIRO, working with several universities, used a long-running study of more than 1,100 people � some healthy, some impaired � to develop the blood test.

They started with blood samples from 273 study participants and identified nine hormones and proteins that seemed most predictive of amyloid levels in the brain. A cutoff level was set for what was considered high.

"The belief is that people above that point will go on to get Alzheimer's disease, and the lag is about 8 to 10 years," Burnham explained.

When researchers used the nine-marker blood test on these same participants, they found that it separated healthy people from those with mild cognitive impairment or Alzheimer's as verified by their brain scans. The test correctly identified 83 percent of people with high amyloid levels and correctly ruled out 85 percent of people without this condition.

"That's pretty high," the Alzheimer's Association's Carrillo said of the test's accuracy.

More importantly, she said, the Australian researchers validated the test's accuracy in two additional groups: the other 817 folks in the Australian study and 74 people in a big U.S.-led study aimed at finding novel Alzheimer's disease biomarkers.

The test performed well in those situations, too, Burnham said.

CSIRO has patented the test and is talking with major companies about making it commercially available.

"It sounds like the Australians do have good clinical data" and that the markers they are testing for track with cases of the disease, said Creighton Phelps, a neuroscientist with the U.S. National Institute on Aging.

The next step is wider validation work and ensuring it can be standardized to give reliable results regardless of what lab or doctor would use it, he said.

___

Online:

National Institute on Aging: http://www.nia.nih.gov/Alzheimers

Alzheimer's Association: http://www.alz.org

___

Marilynn Marchione can be followed at http://twitter.com/MMarchioneAP



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Tuesday, July 19, 2011

Over 65 and not worried about heat? You should be (AP)

CHICAGO � This week's heat wave may be uncomfortable, but you're healthy, active and feel just fine. So what if you're over 65? Think again. Feeling good doesn't mean you're safe.

There are changes in an older person that raise the risk for heat stroke and other problems. An older body contains far less water than a younger one. Older brains can't sense temperature changes as well, and they don't recognize thirst as easily.

Blistering summer heat is an underappreciated killer, claiming by some estimates as many as 1,000 U.S. lives each year � more than any other type of weather.

One federal study found 40 percent of heat-related deaths were in people 65 and older. Those numbers could be lower if more heeded heat warnings aimed at seniors. Yet research has shown many people over 65 don't think the warnings apply to them � because they don't think they're "old."

Don Worden is 79 and an avid tennis buff who prefers playing doubles on outdoor courts along Chicago's lakefront � even in oppressive 90-degree temperatures like those hitting the Midwest this week.

"I don't pay too much attention to those" warnings, Worden said. "I stay in pretty good shape, and I don't feel they apply to me."

Worden said he drinks a lot of water and would stop a match if he started feeling effects from the heat, "but that hasn't happened."

Scott Sheridan, who studies the effects of heat and climate on health at Kent State University, researched how people over 65 view heat warnings. In his 2006 study of more than 900 people, he found about 70 percent knew about advice to drink plenty of water on very hot days, avoid outdoor activities and stay inside with air conditioning. But only about half said they followed the advice.

"People well into their 70s would say old people should watch out but not them," he said. "People just didn't want to be thought of in that same category."

Dr. David Zich, an emergency medicine specialist at Northwestern Memorial Hospital, said he has colleagues in medicine that age who shun being thought of as "elderly." But those heat warnings apply to them, too.

As Dr. William Dale, geriatrics chief at the University of Chicago Medical Center explains it, "Any older adult has less reserve and is more likely to become dehydrated than others, just because their overall body water goes down with age no matter how healthy you are."

The amount of water in the body declines with aging, from about 80 percent in young adulthood to about 55 to 60 percent for people in their 80s, Dale said.

Temperature sensors in the brain become less sensitive as people age, so the body doesn't get the same signals to drink water in hot weather, and older people often don't feel thirsty even when they need to replenish, Dale said.

They also may not feel the typical symptoms of dehydration, such as headache or dizziness. Some complain of just feeling "bad" and think they're getting sick, he said.

Conditions were ripe for those types of complaints Tuesday as a dense dome of hot air remained parked over much of the nation's midsection, raising temperatures into the mid- to upper-90s from the Texas Gulf Coast to the Rockies and the northern Plains. Tropical-level humidity raised the heat index in many places to nearly 120 degrees.

In South Dakota, up to 1,500 head of cattle died across the state from the heat. And in eastern Iowa, the scorching sun caused a portion of Interstate 380 to buckle. The weather also sent dozens of people to hospitals, canceled outdoor sporting events and caused sporadic power outages.

In such conditions, dehydration can lead to heat exhaustion and potentially deadly heat stroke. During a heat wave, that can happen in a matter of hours in older people if they over-exert themselves, don't drink enough water or are frail and don't get out of uncooled homes, said Dr. Chris Carpenter, an emergency medicine physician at Washington University School of Medicine in St. Louis.

Heat exhaustion can cause muscle cramps, low blood pressure, rapid pulse and nausea. It can be treated at home, by drinking water, getting into an air-conditioned room or sitting in front of a fan and misting the body with cool water.

But affected people should be monitored for mental changes and to make sure their temperature does not rise above 102 because the condition can quickly lead to heat stroke. A medical emergency, heat stroke involves temperatures of 104 or higher and can cause seizures, loss of consciousness and death.

Medicines many older people take also may make them more vulnerable to the heat. These include diuretics for high blood pressure, which increase urination � and make it more important to drink plenty of water, Dale said.

Some types of drugs can interfere with sweating and raise body temperature, including some medicines for insomnia, nausea, prostate conditions, Parkinson's disease and even Benadryl. Many list "dry mouth" as a side effect � a tip-off to drink more water, Zich said.

There aren't specific guidelines on how much water older people should drink in a heat wave.

Dale said he generally tells his older patients to drink a quart of water throughout the day, and to drink even if they don't feel thirsty.

Doctors also advise older patients to avoid alcohol and coffee during extreme heat because they can cause the body to lose fluid and contribute to dehydration.

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Online:

Centers for Disease Control and Prevention: http://emergency.cdc.gov/disasters/extremeheat/elderlyheat.asp

American Geriatrics Society: http://www.healthinaging.org/public_education/hot_weather_tips.php

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AP Medical Writer Lindsey Tanner can be reached at http://www.twitter.com/LindseyTanner.



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Gov't advisers: Cover birth control for free (AP)

WASHINGTON � Millions of women may soon gain free access to a broad menu of birth control methods, thanks to a recommendation issued Tuesday by health experts advising the government.

An Institute of Medicine panel recommended that the government require health insurance companies to cover birth control for women as a preventive service, without copayments. Contraception � along with such care as diabetes tests during pregnancy and screening for the virus that causes cervical cancer � was one of eight recommended preventive services for women.

President Barack Obama's health care law already requires most health plans to provide standard preventive care for people of both sexes at no additional charge to patients. The women's health recommendations were considered so sensitive that the nonpartisan institute was asked to examine the issue and report back. IOM advises the government on complex issues related to medical science and health care policy.

A half century after the introduction of the birth control pill, the IOM recommendations may help to usher in another revolution. Medical experts say easier access could start a shift to more reliable forms of long-acting birth control, such as implants or IUDs, which are gaining acceptance in other economically developed countries.

First, expect a fight over social mores. Catholic bishops and some other religious and social conservatives say pregnancy is a healthy condition and the government should not require insurance coverage of drugs and other methods that prevent it.

However, short of repealing provisions of the health care law, it's unclear what opponents can do to block the recommendations. The final decision, by Health and Human Services Secretary Kathleen Sebelius, is expected to be issued quickly.

"We are one step closer to saying goodbye to an era when simply being a woman was treated as a pre-existing condition," said Sen. Barbara Mikulski, D-Md., who sponsored the women's health amendment. "We are saying hello to an era where decisions about preventive care and screenings are made by a woman and her doctor."

Birth control use is virtually universal in the United States, according to government statistics. Generic versions of the pill are available for as little as $9 a month at big drug store chains.

Yet about half of all pregnancies are unplanned. Many occur among women using some form of contraception, and forgetting to use it is a major reason. Experts say a shift to longer acting forms of birth control would help.

Birth control is about more than sheer prevention of pregnancy � it can help make a woman's next pregnancy healthier by spacing births far enough apart, generally 18 months to two years. Research links closely spaced births to a risk of such problems as prematurity, low birthweight, even autism.

Other preventive services recommended by the IOM panel include: HIV screening; support for breast- feeding mothers, including the cost of renting pumps; counseling about sexually transmitted infections; screening for domestic violence and at least one "well-woman" preventive care visit annually.

Although the services will be free of any additional charge to patients, somebody has to pay the cost. It's likely to be spread among other people with health insurance, resulting in slightly higher premiums.



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Study: Healthy living can help prevent Alzheimer's (AP)

PARIS � Taking care of your body just might save your mind. Millions of cases of Alzheimer's disease worldwide could be prevented by curbing risk factors such as high blood pressure, smoking, obesity and lack of exercise, new research suggests.

The study offers more than the usual pep talk about healthy living. Seven conditions or behaviors account for up to half of the 35 million cases of Alzheimer's around the world, it found. With no cure or treatment to reverse the mind-robbing disease, preventing new cases is crucial.

The study was presented Tuesday at the Alzheimer's Association International Conference in France, where sessions on prevention have been drawing standing-room-only crowds for several days.

"Prevention is a particularly attractive option given the state of therapy. That's why there's so much interest in it," said William Thies, the association's chief scientific officer.

The study was led by Deborah Barnes, associate professor of psychiatry at the University of California, San Francisco. Results also were published online by the British journal Lancet Neurology. The researchers have grants from the Alzheimer's Association and the U.S. National Institutes on Aging.

The study used a mathematical model to estimate the impact of top modifiable risk factors for Alzheimer's disease: smoking, depression, low education, diabetes, too little exercise, and obesity and high blood pressure in mid-life.

How much of an impact each one has on total Alzheimer's cases depends on how common it is and how strongly it affects dementia risk. Researchers calculated the impact globally and just for the United States.

Worldwide, the biggest impact on Alzheimer's cases is low education, because illiteracy is so common, they found. Low education can be a sign of many factors that harm minds, such as poor nutrition. But it also is harmful by itself, because there is less opportunity to develop "brain power" that can carry you into old age.

"Education, even at a young age, starts to build your neural networks," so being deprived of it means less brain development, Barnes explained.

Smoking had the second biggest impact on cases worldwide, followed by too little exercise.

In the United States, however, inactivity is the leading problem because a third of the population is sedentary, Barnes said.

Depression made the next biggest impact on Alzheimer's cases in the U.S., followed by smoking and high blood pressure in mid-life. Untreated or inadequately treated depression has long been known to raise the risk of developing Alzheimer's disease.

Reducing these seven risk factors by 25 percent could mean 3 million fewer cases of Alzheimer's worldwide, including half a million in the U.S., researchers estimated. Reducing risk factors by 10 percent would translate to 1.1 million fewer cases.

"It gives us a little bit of hope about things we could do now about the epidemic that is coming our way," Barnes said.

Alzheimer's cases are expected to triple by 2050, to around 106 million worldwide.

"We can do something about this," said Dr. Ronald Petersen, a Mayo Clinic dementia specialist who had no role in the study. A common misconception is that you're "dealt a deck of cards at birth," he said, but "people need not just sit back and watch this unfold."

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Online:

National Institute on Aging: http://www.nia.nih.gov/Alzheimers

Alzheimer's Association: http://www.alz.org

Lancet: http://www.thelancet.com/journals/laneur/article/PIIS1474-4422(11)70072-2/abstract

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Marilynn Marchione can be followed at http://twitter.com/MMarchioneAP



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