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

Muscle-on-chip systems are three-dimensional human muscle cell bundles cultured on collagen scaffolds. A Stanford University research team sent some of these systems to the International Space Station ...

Most of us have imagined how free it would feel to float around, like an astronaut, in conditions of reduced gravity. But have you ever considered what the effects of reduced gravity might have on ...

Muscle loss can creep up faster than you think. Whether it’s due to injury, life changes or simply taking a break from working out, the body begins to change almost immediately when you stop using it.

Stop letting between-meal hunger erode your hard-earned gains. A top nutritionist reveals the specific protein-packed snacks ...

Loss of muscle mass (muscle atrophy) can be a result of aging or lifestyle habits, like being inactive or eating a poor diet. Muscle loss can also point to hormone abnormalities or underlying health ...

Weight-loss drugs like semaglutide may melt fat, but at the cost of muscle mass. A new review reveals how to protect your strength while reaping the benefits. Study: Glucagon-like peptide-1 receptor ...

A new study finds that muscle impairment from anorexia nervosa may continue even after lost weight has been regained, a common indicator of successful treatment.