New research suggests that the secret to stronger muscles may not only lie in the gym or your diet—but also inside your gut.

The intricate regulation of skeletal muscle mass and regeneration involves a network of growth and differentiation factors that orchestrate cellular proliferation, differentiation and repair. Central ...

Many people believe muscle growth slows down too much after 50—but fitness experts say that’s far from the truth. With the right approach, building strength and staying active is not only possible, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." HERE'S HOW I became an expert on building muscle after 40: I turned 40 (and then 50, but that's a ...

Scientists discovered that lean pork builds muscle more effectively post-workout than high-fat pork, even with identical protein levels. Using advanced tracking techniques, they found that fat content ...