Add Yahoo as a preferred source to see more of our stories on Google. Luis Alvarez/Getty Images Have you ever worked out and watched your muscles grow before your very eyes? You probably have, and ...

When heart muscle gets damaged, the result is often permanent. Unlike other muscles in the body, the heart has long been believed to lack the ability to heal itself. But recent research suggests that ...

Your heart beats nonstop to deliver blood to every part of your body, but it gets an assist from another pump that probably needs activating as you’re reading this right now. The calf muscles are your ...

Have you ever finished a workout and noticed your muscles looking fuller, tighter and more defined? It is what the fitness enthusiasts call a muscle pump. This temporary swelling happens when blood ...

NEW YORK (Reuters Health) - Weightlifters who drink skim milk after a workout will build about twice as much muscle as those who rely on soy beverages, a new study suggests. What's more, milk is far ...