A frequently shared study from 2003 found men's testosterone levels increased around the seventh day of abstinence, with researchers observing a temporary spike of roughly 45 percent compared to baseline levels. However, What Percentage Of Men Masturbate? We Look at the Prevalence, Frequency, and Benefits The sex survey: One in four men masturbate every day The Irish Times A diagram of how often men women from all ages masturbate. : r NoFap