1
If you move enough, your muscles change and grow. So does your mind. The brain initiates movement. But it is, in its turn, remade by movement. New cells are born; new vessels sprout. The same process operates body-Âwide. No cell in your body is unaffected by motion. Your very DNA is changed.Gretchen Reynolds
2
There was no girls' cross-country team at our high school, since cross-country courses were two or three miles long, and, at that distance, a girl's uterus could fall out.Gretchen Reynolds
3
There is no medicine or other intervention that appears to be nearly as effective as exercise in maintaining or even bumping up a person's cognitive abilities.Gretchen Reynolds