How do our muscles respond at the molecular level to exercise? Researchers have unraveled the cellular basis and signaling pathways responsible for the positive impact of physical activity on our ...

A new book on willpower asserts that it's a muscle. That is, you can strengthen it with practice, and you can exhaust it with stress and overuse. This makes sense, and years of research back the idea.

Try this 6-minute workout to restore muscle after 55, designed by Jarrod Nobbe, MA, CSCS, for a stronger morning.

A recent study looked at the effects of aerobic exercise on muscle mass and found that while it doesn’t help to build muscle, it can help maintain it. Researchers and experts suggest strength training ...

Exercise Can Extend Life, , Even for the Elderly, , New Study Finds. The study was conducted by researchers at the U.S. Centers for Disease Control and Prevention (CDC). It was published on Oct. 17 in ...