Here's Why Women Get PMS, If You Believe This Scientist's Evolutionary Explanation

August 15, 2014 12:42 PM

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The symptoms of premenstrual syndrome may be distressingly familiar to many women, but why women get PMS in the first place has long been something of a mystery.

Now one researcher offers a possible explanation, arguing in a new paper that PMS arose in women because it helped break up couples that failed to produce children -- thus boosting women's chances of having children with other partners.

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