An adequate physical exercise program requires no more than 3 hours out of 168, only 2 percent of the week’s time. Three hours of life can be gained for every hour spent exercising—a good bargain, no?
Walter M. Bortz II M.D.
An adequate physical exercise program requires no more than 3 hours out of 168, only 2 percent of the week’s time. Three hours of life can be gained for every hour spent exercising—a good bargain, no?