Marijuana is often thought of as a drug that causes relatively little harm compared to other street drugs. But that may not be the case if you're carrying a little one to term.

A popular medication that can help with high blood pressure may also cause severe gastrointestinal problems such as nausea, vomiting, diarrhea, weight loss and electrolyte abnormalities. But why?

Helping stroke and dementia patients live longer may not be as complicated as it sounds. When doctors focus on the risk factors for stroke and dementia, fewer die or need expensive long-term care.

Various studies have linked lower blood pressure to increased longevity among adults. That may not hold true for frail and elderly patients. They may actually live longer with higher blood pressure.

In the past couple decades, China's economy has changed dramatically. At the same time, there have been similarly large changes in the dietary and exercise habits of the Chinese people, boosting diabetes and heart risks.

The plus side of fast food is in the name: it's fast. Grabbing a drive-thru hamburger may be cheap and easy, but too much fast food can be harmful.

When deciding whether a patient will receive a drug-eluting stent to prop open blocked coronary arteries, it appears that the decision usually has little to do with future risk of reblockage .

Some jobs expose employees to a class of chemicals called chlorinated solvents, which are in many degreasers, cleaning products, paint thinners, pesticides, glues and similar products.

The ADHD medication, Strattera ( atomoxetine ), received new safety warning labels from the Food and Drug Administration (FDA) in June.

When patients are awaiting a life-saving kidney or liver transplant, their failing organs are not the only thing they need to worry about; many of these patients also have heart problems.