title: Is sex exercise?  And is it hard on the heart?
mesh_terms: D001794:Blood Pressure / Q000502:physiology; D002318:Cardiovascular Diseases / Q000517:prevention & control*; D003075:Coitus / Q000502:physiology; D015444:Exercise / Q000502:physiology*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008297:Male; D054526:Men's Health; D009948:Orgasm / Q000502:physiology; D011788:Quality of Life; D012725:Sexual Behavior / Q000502:physiology*