Add Yahoo as a preferred source to see more of our stories on Google. Ever skip the gym for a few days… and suddenly realize it's been three weeks? Whether it was work, travel, injury, or life just ...

A muscular, athletic body radiates health and vitality. But how can you really build muscle effectively? FITBOOK takes a closer look at the five most important exercises and shows you how you can ...

As we age, our muscles atrophy. Earlier this year, researchers found that hepatocyte growth factor (HGF), a protein critical in skeletal muscle development loses its functionality due to nitration as ...