On a cellular level, how does exercise make us healthy or improve our health?
In: Biology
It depends on the exercise. Weight training strengthens your muscles, bones, and connective tissues. It can all trigger releases of testosterone and human growth hormone. A lot of “bad backs”, “bum knees” and “jacked up shoulders” can be fixed by physical therapy and then continuing to do activities that require strength.
Cardio generally helps by lowering insulin resistance.
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