Is there any benefits of masturbation on a man's health ?

See answer: Despite the many taboos and unfounded myths, the bottom line is: masturbation is part of a healthy sex life, totally safe and harmless, and practiced by >90% of men and women. Among reported benefits: the safest kind of sex keeping you free of STD, a great form of stress relief, a mood booster in releasing endorphins, a natural sleep sedative, good for prostate health and immune system, etc.