Movies :: The biggest collection of pornography is kept in Institute for Advanced Study of Human Sexuality which is in San‐Francisco. There are approximately 80 000 books and 150 000 porno movies in the collection. The whole collection also includes posters, playing cards and other porno stuff. -The oldest porno film is the Argentine film "El Sartorio", which was produced in 1907.
Statistics in figures :: 100 millions sperms are produced in organism of average men at the rate of 1000 sperms per second -Gays and bisexual men masturbate most of all, 1‐2 times a day, and oftener-26% of women under 40 use vibrators, 88% of women purchase vibrators-Men think about sex or anything related to sex approximately every 8 minutes-The average time which is spent on prelude by 2/3 couples is 6‐20 minutes-Calorie content of average doze of sperm is about 150 kilojoules, while for an hour of sex person loses 630 kilojoules
Some facts about masturbation :: Masturbation or sexual self satisfaction with the help of one or another direct physical stimulation represents one form of normal sexual behavior peculiar to people of different ages- About 90% of men and 80% of women masturbate- Masturbation does not deprive organism of energy and does not hinder studying or physical exercise- People with higher education masturbate more often- The higher sexual activity in young ages, the higher it is in future- The more sperm is excreted during ejaculation, the more sperm is produced by the organism- Sexologists recommend medical masturbation to men, suffering potency disorder and premature ejaculation