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Could your CrossFit workout take a toll on your sex life?

A study from the University of North Carolina published this month in the journal Medicine and Science in Sports and Exercise found that men who exercise intensely may have a lower libido than men who exercise moderately or lightly.

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Researchers polled more than 1,000 active men on both their workouts and sex lives. Participants were split into groups by duration of exercise, intensity of exercise and libido levels. When the groups were compared, researchers found that those who reported light or moderate workouts were more likely to report moderate or high libidos than those who reported intense workouts.

Authors caution that the study was self-reported — which means the data relies on participants to be truthful and self-aware — and doesn’t show that exercise causes a low libido, but rather that the two are correlated.

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But they did tell the New York Times that heavy exercisers may be too tired to get it on after a long workout, or may experience a post-exercise drop in testosterone.

Exercise is believed to be better for your sex life — and healthier overall — than no workouts, but if you’re finding yourself so worn out from the gym that you can’t perform in the bedroom, it may be time to tone it down.

Click for more from The New York Post.