2. On average, adult men think about sex every seven seconds.

3. Having sex at least once per week can lower a man’s risk of heart disease by 30%, stroke by 50%, and diabetes by 40%. It has also been shown that men with an active sex life are more likely to live past 80 years.

4. The average size of an erect penis measures between 5 and 6 inches, while the average size of a flaccid penis is about 3.5 inches.

5. The sperm count of the average American male in 2008 was down nearly 30% from the sperm count of an average American male 30 years ago.

6. Viagra, the well-known blue pill designed to help with erectile dysfunction, made $411 million in profits within the first three months of its release in 1998 before going on to make $1.8 billion in 2003.

7. Use of the condom was first noted in published literature in the early 1500s. The device was originally made of linen, and historians believe the legendary lover Casanova used linen condoms.

8. Historical records show that even in 1850 B.C., women attempted to practice birth control. The most common method was a mixture of crocodile dung and honey placed in the vagina in the hopes of preventing pregnancy.

9. Although nearly any body part or item of clothing may be an object of sexual fetishism, the shoe and the foot are the two most common fetishes in Western society.

10. Just a decade ago, only 25% of women reported experiencing orgasm as a result of intercourse. In recent years, this number has risen to about 45%. In contrast, over 80% of women report experiencing orgasm though oral sex.

11. The vibrator, a common sex toy for women, was originally designed in the nineteenth century as a medication to combat the anxiety-related symptoms of “hysteria” (now known as menstruation).

12. Homosexuality was listed as a mental illness with the American Psychiatric Association (APA) until 1973. It has since been removed and is now considered an orientation by the APA instead of an illness.

13. Throughout the United States, approximately 4% of the population self-identifies as gay, lesbian, or bisexual.

14. Approximately 1% of people worldwide identify as asexual (having no strong sexual attraction to either sex).

15. Statistics suggest that approximately one in every five Americans has indulged in sex with a colleague at work.

16. Approximately 70% of people in the U.S. admit to fantasizing about group sex at some point in their life, and more than 50% of those people actually follow through.

17. Nearly one in four Americans (65 millions people) are currently living with an incurable sexually transmitted disease (STD).

18. During 2007, more than 2.5 million people worldwide became infected with HIV, the virus that causes AIDS. With these new cases, there are now 33 million people living with AIDS throughout the world.

19. Since AIDS was first diagnosed in 1981, more than 25 million people have died as a result of the virus. Two million people died from AIDS in the year 2007 alone.

20. The average male produces several million new sperm daily. Conversely, a female is born with a finite amount of eggs and will produce no more than that throughout her lifetime.