The University of Missouri researchers decided to create 2 groups, of rats, 1 with innately avid runners & the other with 'couch potatoes' so to say. They were each provided with similar upbringings, and watched.
In broad terms, 2 elements are especially likely to influence whether we habitually exercise or not. One is physique. Animals or people that are overweight or ill, or who have poor muscle quality or tone or other physiological impediments to activity, tend to be sedentary.
Think this is good?1 person thinks this is good0 people think this is good