Masturbation [1]

The relative health benefits of different sexual activities [2]

Masturbation is Related to Psychopathology and Prostate Dysfunction [3]

Immature psychological defense mechanisms and the misrepresentations of some sex researchers [4]

Insecure Attachment is Related to More Anal Sex and Vibrator Orgasm but Less Vaginal Orgasm [5]

The post-orgasmic prolactin increase following intercourse is greater than following masturbation and suggests greater satiety [6]

Endocrine response to masturbation-induced orgasm in healthy men following a 3-week sexual abstinence [7]

Cardiovascular and endocrine alterations after masturbation-induced orgasm in women [8]

Lifetime Depression History and Sexual Function in Women at Midlife [9] (Although the groups did not differ in their reported frequency of sexual desire or partnered sexual behaviors, lifetime depression history, less physical pleasure, and less emotional satisfaction within their current sexual relationships were associated with increased rates of self-stimulation (masturbation). )

Sexual functioning and self-reported depressive symptoms among college women [10] (the women with depressive symptoms reported greater desire for sexual activity alone (masturbation) than the nondepressed women)