Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Muscle turns chemical energy into movement. It is able to produce force smoothly and reliably, even though it is built from ...

Scientists have identified a compound that may help preserve muscle in aging mice. Someday, this may help people with muscle ...

Are you trying to bulk up or simply maintain your current lean muscle mass? On your next shopping trip, pick up a loaf of ...

Aging muscles may not lose the signals needed for repair. Instead, those signals may remain in place but become chemically ...

Strength training bigger muscles can give your heart a workout, says Dr. Joseph Herrera, a sports medicine expert. Learn more about which muscle groups are the best to train.

The back consists of large, complex muscles that support your trunk and spine. There are many types of back muscles, and they are all essential, helping you walk, bend, twist, and hold your body ...

A new study shows that lipoic acid trisulfide (LASSS) protects hepatocyte growth factor (HGF) from age-related nitration.