Muscle tends to come back faster the second time because when you’ve built it once, your muscle fibers retain extra myonuclei ...

For bodybuilders and fitness enthusiasts, changing body composition often reflects hard work and discipline—but knowing body composition is useful for anyone, and for more than just bragging rights.

Expert Dr. Salas-Whalen reveals that body composition testing, not just the number on your scale, is key to knowing whether ...

In Running for Weight Loss: Body Composition, Jennifer Brown and our experts explain: There are many factors that play a role ...

Smart scales track changes in your muscle mass, body fat percentage and other health metrics — but how do smart scales work, and how accurate are they? When you purchase through links on our site, we ...

How to Lose Fat and Gain Muscle Losing weight can be tricky. Gaining muscle isn’t exactly a walk in the park, either. So, ...

Soldiers have a new incentive to get a high score on the service’s new Army Fitness Test. Those soldiers who score at least 465 are eligible to be exempt from the service’s body fat standards, Army ...