Exercise May Keep Your Cells Biologically Young

"Laufs first did a series experiments with mice and showed the more the mice exercised, the more their body's biochemistry protected their telomeres from deterioration. The mice also helped researchers pinpoint exactly how exercise rejuvenates cells in the cardiovascular system."

http://abcnews.go.com/Health/WellnessNews/exercise-cells-biologically-young/story?id=9211419&hpid=moreheadlines