Health News

Depression, teens and marijuana are a dangerous mix that can lead to dependency, mental illness or suicidal thoughts, according to a White House report being released Friday.

Seventy-seven more people that were treated at a Las Vegas outpatient clinic have been diagnosed with hepatitis C, health officials said.

The United States is offering to help China in its fight against a viral infection that has killed 34 children, including two reported Friday, and sickened thousands of others.

There's a grim, rarely talked-about twist to all that medical know-how doctors learn to save lives: It makes them especially good at ending their own. An estimated 300 to 400 U.S. doctors kill themselves each year — a suicide rate thought to be higher than in the general population, although exact figures are hard to come by.

More than half of U.S. adults with diabetes also have arthritis, raising a serious obstacle for diabetic patients urged to exercise, according to a government study.

The federal government's new advice to doctors for helping smokers quit recommends the drug Chantix, which has recently been linked with depression and suicidal behavior. The new guidelines mention the psychiatric risks but also say the popular Pfizer Inc. drug is the most effective at helping people get off cigarettes.

Seven-time Tour de France winner and cancer survivor Lance Armstrong is calling on Congress to renew the nation's war on cancer.

People who sleep fewer than six hours a night — or more than nine — are more likely to be obese, according to a new government study that is one of the largest to show a link between irregular sleep and big bellies.