Quick quiz: Would you rather run 75 miles or have sex three times per week for a year? Research shows that both activities burn the same number of calories. (7,500, to be exact.) We often think that something that feels good can't possibly be good for us. Now it's time to think again. Sex in a loving, intimate relationship has numerous health benefits. In women, for example, the sexual act triggers the release of oxytocin. Oxytocin promotes feelings of affection and triggers that nurturing instinct. In men, sex encourages the flow of testosterone, which strengthens bones and muscles and hel ..read more