How Often Men Masturbate & When It's Excessive (Statistics) Lubricated Plug Valve NTVAL 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 Masturbation can actually be good for your health, both mentally and physically. Masturbating every day or even more than once a day is considered perfectly healthy and safe. Recently, Harvard University conducted The sex survey: One in four men masturbate every day The Irish Times