http://articles.mercola.com/sites/articles/archive/2000/05/21/exercise-slows-aging.aspxMiddle-aged and elderly individuals may be able to slow some of the effects of aging on the cardiovascular system using exercise. To get the desired results, people-with their doctor's approval-need to participate in strenuous exercise for at least aenCommunityServer 2008.5 SP1 (Build: 31106.3070)