Why does exercise matter? It leads to greater muscle mass which has important implications for your health.
Muscle mass comprises between 30 and 50 percent of your body’s total weight — the more the better. Composed of more than 650 muscles, it is the primary user of calories in the active human body, and the storage facility for most of the body’s protein. ...
Read more: http://pjmedia.com/lifestyle/2015/04/09/losing-bodyfat-or-gaining-muscle-mass-which-is-more-important/#ixzz3WwCfxgHn
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