LINDSEY TANNER

AP Medical Writer
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Study: Heartburn drugs don't aid children's asthma

An acid reflux drug often used for hard-to-treat asthma doesn't help children with the breathing disease and may cause side effects, a study in 300 children found.

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Sex poses surprisingly low risk to heart patients

Good news: Sex is safe for most heart patients. If you're healthy enough to walk up two flights of stairs without chest pain or gasping for breath, you can have a love life.

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US obesity epidemic shows no hint of shrinking

America's obesity epidemic is proving to be as stubborn as those maddening love handles, and shows no sign of reversing course. More than one-third of adults and almost 17 percent of children were obese in 2009-2010, echoing results since 2003, the Centers for Disease Control and Prevention reported Tuesday.

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Marijuana doesn't harm lung function, study found

Smoking a joint once a week or a bit more apparently doesn't harm the lungs, suggests a 20-year study that bolsters evidence that marijuana doesn't do the kind of damage tobacco does.

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Need help avoiding hangover? Less booze, more H2O

Attorney Colleen Gorman has a holiday ritual that doesn't involve buying presents or counting down to midnight: She goes online to look for new hangover remedies she hasn't tried.

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ADHD drugs safe for adults' hearts, research finds

Ritalin and other drugs used to treat attention deficit disorder are safe for adults' hearts, even though they can increase blood pressure and heart rate, according to the largest study of these medicines in adults.

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Tiniest babies are growing up healthy despite odds

One is a healthy first-grader, the other an honors college student majoring in psychology. Once the tiniest babies ever born, both girls are thriving, despite long odds when they entered the world weighing less than a pound.

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Parkinson's & dance: An unusual partnership unites

The two things that have brought Michael and Roslyn Lieb closer together couldn't be more different: Parkinson's disease and dance, one slowly taking away, the other giving back in ways they never imagined.

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Do presidents really age faster than rest of us?

White House wannabes take note: Contrary to the idea that being president speeds up aging, a study shows that many U.S. commanders in chief have actually lived longer than their peers.

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Few teens sexting racy photos, new research says

Teen sexting of nude photos online or via cellphone may be far less common than people think, new research suggests.

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Doctors' financial ties may lead to needless MRIs

There may be good reason to ask about financial ties if your doctor orders an expensive imaging test for your aching back: Patients whose physicians own the equipment are more likely to get scans they might not need than those whose doctors have no financial interest, a small study suggests.

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Babies on obesity path? New sign may offer answer

Researchers say there's a new way to tell if infants are likely to become obese later on: Check to see if they've passed two key milestones on doctors' growth charts by age 2.

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Light drinking linked to slight breast cancer risk

Whether sipping beer, wine or whiskey, women who drink just three alcoholic beverages a week face slightly higher chances for developing breast cancer compared with teetotalers, a study of more than 100,000 U.S. nurses found.

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Halloween doesn't have to be gorge-fest to be fun

Offer apples to trick-or-treaters and risk having your house get egged — maybe even by your own kids.

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Lung cancer screening with X-rays isn't beneficial

Routine chest X-rays do not prevent lung cancer deaths, not even in smokers or former smokers, according to a big government study challenging a once common type of screening.

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BPA in pregnant women might affect kids' behavior

Exposure to the chemical bisphenol-A before birth could affect girls' behavior at age 3, according to the latest study on potential health effects of the compound used in the manufacturing of some plastic drink bottles and food can linings.

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No cupcakes here! Gold-medal school fights obesity

Five-year-olds dance hip-hop to the alphabet. Third-graders learn math by twisting into geometric shapes, fifth-graders by calculating calories. And everyone goes to the gym — every day.

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Vitamin E pills linked with prostate cancer risk

There is more evidence that taking vitamin E pills can be risky. A study that followed up on men who took high doses of the vitamin for about five years found they had a slightly increased risk of prostate cancer — even after they quit taking the pills.

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More than 1 in 10 parents skip, delay kids' shots

By age 6, children should have vaccinations against 14 diseases, in at least two dozen separate doses, the U.S. government advises. More than 1 in 10 parents reject that, refusing some shots or delaying others mainly because of safety concerns, a national survey found.

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Do hospitals' freebies undermine breast-feeding?

Jessica Ewald brought more than a new baby boy home when she gave birth earlier this year. Like many new moms, she got a hospital goody bag, with supplies including free infant formula and formula coupons.

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Child abuse rose during recession, research says

An increase in child abuse, mostly in infants, is linked with the recent recession in new research that raises fresh concerns about the impact of the nation's economic woes.

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Curbs on youngest drivers may have bad side effect

Strong driver's license laws have led to fewer fatal crashes among 16-year-olds but with a disturbing side effect — more fatal accidents among 18-year-olds, a nationwide study found.

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SpongeBob in hot water from study of 4-year-olds

The cartoon character SpongeBob SquarePants is in hot water from a study suggesting that watching just nine minutes of that program can cause short-term attention and learning problems in 4-year-olds.

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Adult smoking rate edges down slightly: CDC data

Fewer U.S. adults are smoking and those who do light up are smoking fewer cigarettes each day, but the trend is weaker than the government had hoped.

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PTSD-gene link found in students after shootings

A study of college students' reactions to shootings on their Illinois campus gives fresh insight into how genes may influence the psychological impact of traumatic events.

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