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Guess How Many Calories Sex Burns? Almost None!

The average sex session burns 21 calories.

Bad news for those of you who thought you could bang your way out of a gym membership: standard coitus is a pretty poor substitute for regular exercise, like that CrossFit business all the  nice young fascists are getting into these days.

According to a  study from the New England Journal of Medicine, the average sex session lasts six minutes and burns approximately 21 calories, the equivalent of  two navel orange segments. Thirty minutes of sex burns between 85 – 100 calories, the equivalent of  16 – 20 Skittles.

Here is a researcher from the New England Journal of Medicine explaining more about these very important findings:

h/t Jezebel

Katie McDonough is an assistant editor for Salon, focusing on lifestyle. Follow her on Twitter @kmcdonovgh or email her at

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