Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Exercise builds muscle—we just don’t really know why. It might ...

To understand what causes muscle fatigue, it’s worth looking at what exactly muscle fatigue is. If you exercise regularly, you may be familiar with the sensation of a dull ache in your muscles or ...

Can muscles remember their younger, fitter selves? Muscle physiology lore has long held that it is easier to regain muscle mass in once-fit muscles than build it anew, especially as we age. But ...

Zachary Gillen does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

After vigorous exercise, some 3,000 genes go to work to aid recovery by boosting muscles and blood vessels, but in the presence of high doses of antihistamines almost 27 percent of the gene response ...

If you’re fascinated by health and human physiology and have a passion for fitness, bring your interests together with study in a doctorate of Integrative Physiology. We take a system-level approach ...

Anorexia nervosa is a psychiatric condition characterized by a fear of weight gain and reduced calorie consumption that can result in dangerous weight ...