Male masturbation jokes always get laughs in buddy movies and comedy routines. But a new study actually has something serious to say about the typical dude's favorite shower activity: Masturbating frequently could significantly reduce a man's risk of prostate cancer.
What qualifies as frequently? According to recent research from Harvard University, men who have 21 or more orgasms per month could cut their odds by 33%.
Health.com: Science Says Men Should Masturbate 21 Times a Month