http://articles.mercola.com/sites/articles/archive/2003/01/08/exercise-part-fourteen.aspxExercise provides health benefits even among those 80 years and older. Riding a stationary bike or walking on a treadmill twice a week for about 20 minutes each time resulted in notable health improvements according to a 6-month study of 22 elderly peopleenCommunityServer 2008.5 SP1 (Build: 31106.3070)