Male Masturbation Habits Adultsmart Lifestle Adult Blog What Happens If Men and Women Masturbate Daily? All about biology [Educational purpose only] In Males: Helps maintain prostate health Doesn't lower testosterone in normal range, but excess may cause fatigue How Often Men Masturbate & When It's Excessive (Statistics) A new wave of research is challenging long held beliefs about male fertility. According to findings from the University of Oxford, male masturbation may actually improve fertility through what scientists call the sperm