According to the Earthsave Foundation, the sperm count of the average American male is down 30 percent from 30 years ago.

According to Runner's World magazine, two out of three runners say that they fantasize about sex while running. On the other hand, one out of 11 fantasizes about running while having sex.

According to the National Institute of Business Management, one of every eight boss-secretary romances ends in marriage. One out of 10 secretaries admits to having been romantically involved with her boss, with only 25 percent saying that the experience had negative impact on their careers.

According to Archives of General Medicine, coffee drinkers have sex more frequently and enjoy it more than non-coffee drinkers.

Working Woman reports that companies with the lowest percentage of women workers have the highest percentage of sexual harassment complaints.

On average, it takes two tablespoons of blood to get a man's penis erect.