Exercise builds strong bones. Among 101 men 60 and older who took up exercise, bone density increased 19 percent on average. Exercisers are depression resistant. Exercise helps you go to sleep. Duke University scientists report that men who exercise fall asleep in half the time that it takes men who don't.
Fit people have better sex lives.
When 78 inactive men took up exercising three or four days a week, their frequency of intercourse increased significantly. What's more, you don't need to become a marathon runner to enjoy most of these benefits.