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

You've probably heard about the importance of maintaining a healthy weight, but body composition goes way beyond just a number. Think of it like a building: two buildings might weigh the same, but one ...

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 ...

Pumping iron isn’t the only way to pump the brakes on age-related muscle loss. While weight training has long been lauded as the key to building and maintaining muscle mass, experts say there are ...