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Sperm Keeps You Young and 49 Other Crazy Sex Facts You Need to Know

Zlata Faerman is a travel and lifestyle writer with "Zlata Thoughts." Her work has appeared in Bravo, SELF, Conde Nast Traveler, STYLECASTER, Cosmopolitan, The Stir, and many others. When she's not writing, Zlata is mostly likely creatin...

Are you a sexpert? Test your knowledge with these off-the-wall X-rated facts

26. A woman's butt sticks out 25 per cent more when she is wearing heels. No wonder Jimmy Choo is adored worldwide.

27. In a newer study, one in nine young women has used the morning-after pill after sex.

28. Stay on top of your visits to the gynecologist. Many of the worst STIs you can contract have absolutely no symptoms at all for up to three to five years.

29. Keep it PG and still feel good. The nerve endings in the clitoris extend out to where the pubic hair grows, which is why grinding (dry humping) feels so good.

30. Your pain threshold can increase significantly during arousal.

31. The amygdala, the part of your brain that triggers fear and anxiety, shuts down in women when they have an orgasm.

32. Having an orgasm releases an anti-diuretic hormone, which is why you probably find yourself not able to pee right after sex.

33. You should pee as soon as possible after sex to prevent UTIs (urinary tract infections).

34. A blow job is the No. 1 sexual act desired by straight men.

35. The average cost of a bra-and-panty set is $75. If you're on a budget, skip the seduction, and go straight to the naked.

36. Every year, 11,000 Americans injure themselves when trying out bizarre sexual positions. Don't become a statistic.

37. The largest penis on record is 18.9 inches long. The owner says it has ruined his life.

38. Eighty per cent of women use vibrators to achieve an orgasm by clitoral stimulation rather than inserting it vaginally.

39. It's possible for women to achieve orgasm from breast stimulation alone.

40. According to a 2008 survey of sex therapists, sex is too short when it lasts one two minutes, adequate is three to seven minutes, and desirable is seven to 13. If you're still going at 30 minutes, most people will think it's too long.

41. A new study estimates that 15 percent of women have experienced an orgasm during exercise.

42. Women over 40 years old are more likely to have multiple orgasms than women in their 20s, according to a report.

43. According to a survey of adults aged 20 to 59, women have an average of four sex partners during their lifetimes, and men have an average of seven.

44. Some sexual dysfunction can stem from how a woman feels about the appearance of her genitals. Love your body. All of it.

45. Festival-goers would rather spend time doing drugs, drinking and having sex than watching the concert they paid big money to see.

46. Women with higher testosterone levels might be more interested in masturbation than in having sex with someone else.

47. New moms are ready to have sex sooner than the six-week wait period instructed by their doctor.

48. Nipples are erogenous zones because the sensation of hardened nipples travels to the same part of the brain as do sensations from the vagina, cervix and the clitoris.

49. Almost half of American men have HPV.

50. About 75 per cent of men always reach orgasm during sex.

More: The Importance of Cleaning Your Sex Toys and How to Do It

Before you go, check out our slideshow below.

Are you a sexpert? Test your knowledge with these off-the-wall X-rated facts
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