Many young teens are very concerned about weight. For some teens, that concern can develop into an eating disorder, which can lead to many health problems.

A smoker can’t totally kick the habit by only smoking occasionally. Researchers have found that public — and private — smoking policies may work in much the same way.

Lance Armstrong. Barry Bonds. Floyd Landis. Jose Canseco. Marion Jones. Roger Clemens. And so on. They betrayed our trust, but what might performance-enhancing drugs have done to their health?

Anxiety strikes some people every once in a while, but for others, the symptoms are intense and lasting. New research suggests that this anxiety may affect stroke risk.

Women who take antidepressants may wonder about taking them while pregnant. One concern has involved increasing their children's risk of certain conditions like autism.

Doctors have long suspected a link between depression and head injuries. A recent national study looked at this possible link in teenagers.

Stress can affect any of us, and one recent study found that bodies of obese children may be under more hormonal stress than their normal weight peers.

Military deployment can bring risks of many types for service members. Coming home with PTSD is sometimes one of those risks, but it might not have to be.