12/21/2013 12:02 pm ET Updated Jan 25, 2014

How Many Calories Do You Really Burn During Sex? (VIDEO)

Shutterstock / Marina Svetlova

Sex as a form of exercise has been largely unexplored -- until now. According to a new study, sex qualifies as a form of "moderate exercise," on par with playing tennis doubles. We find out what you need to know about 'Sexercising."

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