Evidence points to the many health benefits of an active sex life. Sex Made Easy, an article published in Men's Health Magazine, gives 10 healthy reasons to hop into bed -- a reminder that making love is good for both body and soul. 1.Exercise . "Sexual activity is a form of physical exercise," according to Dr. Michael Cirigliano of the University of Pennsylvania School of Medicine. Making love three times a week burns around 7,500 calories in a year -- the equivalent of jogging 75 miles. 2.Heavy Breathing. A night of love can raise the amount of oxygen in cells, helping to keep organs and tissues functioning at their peak. 3. Strong Bones and Muscles. "Any kind of physical exercise is going to increase testosterone," states Dr. Karen Donahey, director of the Sex and Marital Therapy Program at Chicago's Northwestern University Medical Center. Testosterone is believed to help keep men's bones and muscles strong. 4. Lowered Cholesterol. Making love re...