10 facts about sex

William Masters and Virginia Johnson became famous for the groundbreaking sex research they conducted at Washington University in St. Louis in the s and s—so famous, in fact, that Showtime decided to turn their story into a new drama series, Masters of Sex. Their studies showed that women were capable of multiple orgasms, among other things. These were revolutionary ideas the time, but new research about women and sex has revealed some facts that would shock even Masters and Johnson. Now, in a world full of artificial lighting and bright screens, women are not as in tune with the connection between their biology and nature. The heels create a contraction in the pelvic floor, which is problematic because the pelvic floor then cannot contract further during orgasm.

Here at Health , we're always looking at new studies on sex and reaching out to experts for their insight on how to make things healthier and hotter between the sheets. Sometimes, however, our research into the topic turns up some pretty weird stuff. Not weird in a bad way, of course—more like weird as in surprising, funny, and OMG I had no effing idea. In the interest of keeping you totally informed about sex, love, attraction, and sexual health, we're sharing some of the most who knew?

Did you know that the clitoris is the only bodily organ that exists solely for sexual pleasure? And blue balls isn't just a term made up by horny and disgruntled teenage boys? It's actually a real problem!

Charlotte Hilton Andersen, Reader's Digest We include everything from why wearing socks is sexier than lingerie to how sleeping with your wife can get you ahead with your boss. There were some gender differences though: Women were more likely to have sex dreams about politicians, celebrities, or their exes while men were more likely to dream about having sex with multiple partners at once. Check out these sex facts about committed couples.