Mind the Masturbation Gender Gap: Could it be Closing? Survey: How Often Do Americans Masturbate? Bespoke Surgical Millennials Are Masturbating More Than Any Other Age Group Unveiling masturbatory sexual behaviours in Nigeria: insights into the prevalence and factors associated with self and mutual masturbation among the sexually active population BMC Public Health Springer Nature Link OC] Masturbation frequency by gender in the US : r dataisbeautiful