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

Scientists have discovered how exercise protects aging muscles by suppressing DEAF1, a molecule they identified as a driver ...

While some organs, like the brain, work continuously, other body tissues, like muscle and fat, can enter an inactive state.

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

Building muscle isn’t as simple as just lifting heavy things and hoping for the best. Gaining muscle is not so much about what you do, but rather how you do it. The same exercise could be used to ...

The more we move, the more our muscle cells begin to make a memory of that exercise. MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you ...

Still dealing with a tight hip or weak glute—despite all the foam rolling, stretching, and strengthening? Or, maybe you’ve had an injury that keeps flaring up, even though you thought it was finally ...

“For weight loss, working out three to four times per week is optimal,” explains trainer Kehinde Anjorin, NCSF, CFSC, founder ...

A hard workout can come back to haunt you. When you wake up the next morning and try to get out of bed, everyday motions like rolling over and standing up can make your muscles whine in pain. You ...

How long does it take to build muscle is not, of course, a question with a simple answer, despite what the TikToks or Reels promising to unlock the one thing you need to get big might suggest. In fact ...