You've heard stories about a compound found in plastics called BPA. It's been linked to all sorts of health issues. So what about BPA and breast cancer?

Women with HIV or chronic Hepatitis B may take Viread, whose generic name is tenofovir, for treatment. They can safely continue this treatment if they get pregnant.

A potentially fatal abnormal heartbeat means some patients need an implanted device to provide a shock when dangerous rhythms are detected. Cardiologists describe the shocking sensation "like being hit with a baseball bat in the chest."

Conflicting evidence makes it tough to know exactly why some kids drop out of school because of drinking and drugs and other kids stick with it. Alcohol may be riskier than smoking pot when it comes to drop out rates.

Scientists hoped to examine how brief air pollution reductions would affect the heart.

Using an interesting location -- the 2008 Beijing Olympics -- they found that even short-term drops in pollution exposure improve cardiovascular health.

A combination drug already prescribed to adults who suffer from migraines also appears to benefit teens afflicted by devastating headaches.

Exercise is one of the best things you can do for your body. Whether you exercise everyday or a few times a week, you are protecting your health and reducing your risk for diseases like diabetes and heart disease.

Low back pain is a common condition that can affect every day life through discomfort, health care costs, disability and loss of work. Luckily, most back pain is alleviated in the course of six weeks.

The increase in electronics, computers and cell phones in homes can cause more than screen-obsessed children who don't get out enough. It also means more batteries are lying around.