Exercise Can Extend Life, , Even for the Elderly, , New Study Finds. The study was conducted by researchers at the U.S.

Moderate activity can include walking briskly, slow bicycling, active yoga, doubles tennis, line dancing or general yard work, according to the U.S. Centers for Disease Control and Prevention (CDC).

Only about 1 in 20 American teenagers get enough sleep and exercise, according to a study published by the CDC. The study looked into the habits of about 60,000 teens. The conclusion: about 5-percent ...

Exercise is promoted for lowering the risk for certain gastrointestinal cancers, but recommendations lack specifics on how much is enough. Now, a large, decades-long study suggests that relatively ...