Repeated exercise, or wasting, can change the way key genes work.

Weight fluctuation happens daily, week to week, or month to month. Learn about causes and when to see a healthcare provider about weight changes.

When you sit down, your body naturally folds. That folding creates compression in the skin, fat, and connective tissue around ...

The misconception that muscle can be lean or bulky lies in its appearance. “When people (say ‘lean’), they’re usually ...

Several muscles could be called the "largest" in the body, depending on whether you're talking mass or surface area, but the body's smallest muscle has no competition. When you purchase through links ...

While walking can help develop muscular endurance (a.k.a., your muscles’ ability to sustain exercise for long periods of time), it’s not the most effective way to build muscle, says Grace Horan, a ...

Muscle tissue mounted a strong response, even enhancing characteristics linked to healthier ageing, shows research.

A new study finds that even after weight returns in anorexia nervosa, muscle strength may remain impaired, with implications ...