The Food and Drug Administration is working with doctors and medical manufacturers to reduce unnecessary radiation exposure from medical scans, a problem that has been growing for decades.

The country's top coaches and Olympians share their training secrets for building extreme strength, speed, endurance, and agility that can give you a gold-medal edge in your own life.

The aliens in Avatar may be blue, but some moviegoers feel green after watching the 3-D version of the sci-fi epic. Other people are stereoblind, that is, they simply can't see the state-of-the-art digital technology.

The first double hand transplant recipient in the U.S. has left a hospital after medicine cleared up a rash that signaled he might be rejecting his new hands.

Pain research would get a boost from the House health care bill. Msnbc.com fact-checks this claim and more.

First lady Michelle Obama launched a nationwide campaign Tuesday to fight childhood obesity, part of her effort to teach America's children about better nutrition and exercise.

A critical safety net for babies that heelprick of blood taken from every newborn in the U.S. is facing an ethics attack.

If you downed one too many while watching the Super Bowl, here's at least one reason to hold your head high: Drinking beer can be good for your health.

People who drink two or more sweetened soft drinks a week have a much higher risk of pancreatic cancer, an unusual but deadly cancer, researchers reported on Monday.

Attending religious services or having spiritual experiences may not protect against heart attacks and strokes, a new study suggests.

Are you in a gray mood today? How about a blue funk? Maybe you're seeing red, because you're green with jealousy. The colors we use to describe emotions may be more useful than you think, according to new research.

The popular antidepressant drug Paxil may interfere with breast cancer treatments, making patients more likely to relapse and die, researchers in Canada reported on Monday.

From fake red snapper to French cognac diluted with American brandy, counterfeit food is a $49 billion-a-year industry. A new organization aims to thwart the fakery.

Find out how the newest Joy Fit Club members lost 100 pounds or more!

The discovery has punched a 170-ton hole in China's promises to overhaul its food safety system. Officials say they've found yet another case where large amounts of tainted milk powder from the country's 2008 scandal that should have been destroyed were instead repackaged.