LIFESTYLE

20 Sex Myths Debunked: Including Penis Size, Pubic Hair, Oral Sex And Cheating

16/07/2014 10:58 BST | Updated 16/07/2014 21:59 BST

It's a truth universally acknowledged that a man in possession of large feet must also have a large penis.

Actually, scrap that. According to one expert (and a lot of studies) shoe size has absolutely nothing to do with penis size.

And this isn't the only sex myth floating around. Over the years a combination of prudishness, urban legend, Chinese whispers and questionable scientific studies have left us with an array of false assumptions about what really goes on between the sheets.

In the video above, Dr. Aaron Carroll from trivia-tastic YouTube channel Mental Floss, attempts to unpack these myths and teach us a thing or two about sex.

“Fair warning here," he begins in the video above. This is…about sex. If you think that’s inappropriate or it’s not your thing, it’s probably a good idea to turn this off now.”

Do men really cheat more than women? Are smaller breasts more sensitive than larger breasts? Is men's sexual peak earlier than a women's? At what age are men likely to ejaculate prematurely? Do men think about sex every seven seconds?

Find out the answers to all of these questions in the video above.

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