Does oral sex help prevent female infidelity?

A recent study suggests cunnilingus is a mate retention strategy

Underwear
(Image credit: Thinkstock)

Apparently, if you're a guy who wants his chances of evolutionary survival to go up, you should be going down.

According to a new study published late last month in the Journal of Evolutionary Psychology, heterosexual men perform oral sex on their partners as a "mate retention" strategy — in laymen's terms, to keep the ladies coming back for more.

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Emily Shire is chief researcher for The Week magazine. She has written about pop culture, religion, and women and gender issues at publications including Slate, The Forward, and Jewcy.