Many antihypertensive drugs are known to cause impairment of sexual function including erectile function. It has nothing to do with any product ratings or rankings. Anxiety over high blood pressure and its associated health problems can affect with the sex lives of both men and women, especially if it weakens relationships. More research is needed before it can be proved that weekly sex helps your immune system. Researchers assume that orgasms from masturbation will be as therapeutic as the orgasms induced by partners.
Around the web
Men may also experience retrograde ejaculation, whereby semen flows backward toward the bladder rather than it coming out through the penis. This makes for more shallow penetration.