New, young drivers are much more likely to have an accident if they're short on sleep, researchers say. And teenage drivers are far more impaired than adults when facing an equivalent lack of sleep.

People diagnosed with ADHD as children may be more apt to be obese in adulthood, scientists say. Differences in brain biology or the impulsiveness typical of ADHD may contribute to lasting, bad eating habits.

Biking to work is a great way to get exercise, save money and reduce pollution from cars. But does the risk of accidents cancel out all the good? Experience in Europe says no, but the U.S. lacks that tradition of urban bike travel.

Most public swimming pools are contaminated with germs carried by poop, federal researchers found. We swimmers are to blame. Showering before swimming and taking kids to the bathroom often would help.

When Angelina Jolie went public about her preventive mastectomy, women who have struggled with the same tough choices spoke out about the dilemmas of medical choice.

Doctors have seen a sharp increase in the number of women choosing breast surgery to prevent cancer. But the genetic mutation that contributed to Angelina Jolie's decision is relatively rare, and the vast majority of women who choose prophylactic mastectomy don't face the same level of risk.

Parents should talk to their children about avoiding alcohol long before they try that first drink. But how? Some scripts and talking points could make the task easier.

Four in 10 teenagers admit that they text while driving. Not only is that behavior dangerous, but those same teens are more likely to skip the seat belt and drive while drinking, too.

Sago palms were a key food source in prehistoric China, long before rice, a new study finds. Although it's no longer a staple, it is still used in dishes throughout South Asia today. Sago pudding, anyone?

No caffeinated chew for you! The Wrigley Company pulled its Alert Energy caffeinated gum off the market after the product roused concern from the Food and Drug Administration.

Supplements with the antioxidant lutein and omega-3 fatty acids didn't stop age-related macular degeneration, the leading cause of blindness in the United States, a new study suggests. But other antioxidants, including vitamins C and E, do seem to help.

The Pennsylvania Dutch didn't invent the whoopie pie and other dubious tourist fare. Instead, they developed a complex, largely unknown cuisine that reflects the pressures and possibilities of becoming American.

Getting groceries delivered may be the easiest environmentally friendly thing you've ever done, new research says. Think of it as your food taking mass transit.

A critical, unsupportive spouse isn't just a drag. That kind of mate increases the risk of major depression, researchers say. People can improve the quality of their relationships, Teo says. Interpersonal therapy and couples therapy can help identify communication problems and come up with practical improvements.

Wrigley's new caffeinated gum has raised eyebrows at the FDA, which is worried about the potential health impacts on children and teens.

The natural remedy is a popular option for people who aren't satisfied with standard medical treatments for eczema. But a review of the studies finds that evening primrose doesn't help with symptoms.

Teenagers and adults as old as 65 should get screened for HIV, new guidelines say. People at higher risk of infection, including men who have sex with men and people who use IV drugs, should get retested at least once a year.

When monkeys move to a new place, they want to eat what the locals are eating, a new study finds. It's among the first to see strong social behaviors in eating among wild animals.

Problems at a Canadian factory have caused a shortage of tuberculosis tests in the U.S. Some hospitals and health departments around the country are deferring routing TB testing as a result.

Wondering what to do with that Vicodin that's gathering dust in the medicine cabinet? The DEA is happy to take it off your hands. That method spares the environment and solves a pesky problem: giving a narcotic like that to anyone other than the person whose name is on the prescription is a felony.