But how much do you really know about sex? Here are a handful that may keep you out of the bedroom for a while — or maybe not:. Next, check out some of the most weird sex laws from around the world. Then, learn about tantra , uncover six shocking cases of incest among famous people throughout history.

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?

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. The vast majority say they fantasize somewhere between several times per week and several times per day.

How much sex, you ask? Do you really want to know? OK, since you asked, the elderly are currently experiencing the biggest spike in sexually transmitted infections among all age groups. Should I continue?