Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 56. Chapters: Onan, Autofellatio, Religious views on masturbation, Dildo, History of masturbation, Vibrator, Sex doll, Phone sex, Non-penetrative sex, Erotic electrostimulation, Portnoy's Complaint, Wank Week, Orgasm control, Anal masturbation, I Touch Myself, Masturbate-a-thon, RealDoll, Expanded orgasm, Venus 2000, Islam and masturbation, Double penetration dildo, Betty Dodson, Fleshlight, Sybian, Anal beads, Sex-machine, Mutual Masturbation Between Heterosexual Men, Ben Wa balls, Every time you masturbate... God kills a kitten, Autoeroticism, Autoerotic fatality, Tenga, Clitoral pump, Concerning Specific Forms of Masturbation, Soggy biscuit, Circle jerk, Hu, CandyGirl, Love pillow. Excerpt: Masturbation refers to sexual stimulation of a person's own genitals, usually to the point of orgasm. The stimulation can be performed manually, by use of objects or tools, or by some combination of these methods. Masturbation is a common form of autoeroticism. Masturbation with a partner, called mutual masturbation, is also common. Men and women have techniques and characteristics in common, but also have specific preferences in the ways they like to masturbate. Studies have found that masturbation is frequent in humans of both sexes and all ages, although there is variation. Various medical and psychological benefits have been attributed to a healthy attitude to sex in general and to masturbation in particular, and no causal relationship is known between masturbation and any form of mental or physical disorder. Acts of masturbation have been celebrated in art worldwide since prehistory. While there was a period (spanning between the late 18th and early 20th centuries) when it was subject to medical censure and social conservatism, it is considered a normal part of healthy life today. There have been masturbation marathons and health...