Study: The shape of your lips may indicate better sex

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Here's a study that will have you examining a part of your body you probably didn't even know existed — the tubercle. It's the little, puffy spot in the middle of your upper lip. According to a paper published in the Journal of Sexual Medicine, the hottest scientific publication around, women with more prominent tubercles have a greater chance of having vaginal orgasms (as opposed to clitoral orgasms) from penile-vaginal intercourse.

But before you go running to the mirror to inspect the subtleties of your mouth, you should know these findings are a little suspect. First off, some scientists doubt there's even a difference between vaginal and clitoral orgasms. Also, only 258 women took part in the study, which is a pretty small sample size. And to make matters even more subjective, the women themselves, not scientists, judged the size of their tubercles. Plus there's the old "correlation does not equal causation" clause, so, yeah, that. In other words, there are probably more effective ways of figuring out your likelihood of having vaginal orgasms… like actually having sex.