Study disputes previous theories on loss of muscle stem cells and aging

Professional athletes often spend hours in a gym working to build strong healthy muscles needed to keep them at the top of their game. But strong muscles help all humans maintain peak physical performance - the non-athlete, the young and the old - and can prevent frailty later in life, a condition that can exacerbate an illness and even shorten one's life.

http://ift.tt/14nehgx