As Hippocrates would have predicted, scores of other studies on the effects of physical activity on morbidity and mortality yield similar results.61 That doesn’t mean, however, that physical activity is a surefire Fountain of Youth, and remember it doesn’t delay mortality by preventing aging per se. Instead, physical activity triggers a suite of mechanisms that increase the chances of staying healthy with age by retarding senescence and preventing many chronic diseases that contribute over time to mortality.
