Christopher Wanjek

Learning a second language -- whether during infancy, childhood or the teen years -- may improve a person's thinking skills, a new study suggests.

True statements about what smoking cigarettes can do to your health actually come as a surprise to many smokers, a new study suggests.

A mysterious and sometimes deadly childhood heart disease called Kawasaki disease may be caused by an airborne fungus, new research suggests.

The iron in red meat may raise your risk for heart disease, but iron in vegetables seems to have no ill effect, a new study says.

Only 13 percent of kids now walk or bike to get where they're going, and 54 percent spend more time than recommended in front of a TV or computer screen, a new report says.

A recent proposal aims to change the information we see on food labels. But what's really needed is an improvement to the quality of the food, not just the food labels.

You may think you know your stuff when it comes to pooping and your health, but misconceptions are common. Here's the truth about poop and your health.

People who are obese spend less than 1 minute per day doing vigorous physical activity, a new study finds.

People who eat a vegetarian diet tend to have healthier blood pressure levels than those who don't, according to new research.

Stress is linked with headaches, according to a new study that finds that people with more stress in their lives tend to suffer more frequent and more intense headaches.

People with chronic viral or bacterial infections may face an increased risk of thinking and memory problems later in life, according to a new study.

For children who need a donated kidney, wait times vary greatly depending on which state they live in, a new study finds.

The human brain may be hardwired to trust the health advice that celebrities dole out, researchers say.

A new technique for creating stem cells shows they can be made in a way that reduces the risk of these cells dividing haphazardly and becoming cancerous.

E-cigarettes are increasingly popular, pitched by the industry as a safe alternative to traditional cigarettes, but they're just as addictive and harmful in other ways, studies show.

Bilingualism can strengthen the brain, a new study shows. People who spoke two languages developed dementia about 5 years later, on average, than people who spoke only one language.

In her many television appearances, Suzanne Somers offers health advice to women. But what she says doesn't always hold up as fact, and in some cases, following her advice could be harmful.

Binge drinkers and alcoholics are known to have weak bones, and to heal slowly after a fracture.