Christopher Wanjek

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.

Improving home habits such as less TV, more sleep and family meals can help reduce childhood obesity.

The type of diet (low-carb, low-fat) doesn't matter when maintaining healthy weight, because only lifestyle changes lead to long-term changes.

People with brain injuries may have varying levels of consciousness, and now researchers say they may have a way to measure a person's consciousness.

Cranberry juice may stall urinary tract infections, according to new research. Bacteria cells growing in lab dishes were stopped in their tracks by the compounds found in cranberries.

Vegetarians had significantly lower risk of death compared to meat-eaters among 73,000 people, published today in JAMA.

Two separate studies suggest how obese patients might be treated by doctors.

Fast-food restaurants' claim of having healthy menus falls flat in a new analysis showing that they are only marginally healthier than 14 years ago.

Public support for certain gun control policies is strong, according to a new book.

Even in the lean, belly fat can raise the risk of kidney disease, and scientists may know why.

Free school lunches can reduce childhood obesity if done correctly.

A gut microbe that may help people pack on pounds produces methane detectable on your breath.