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August 17, 2016

We all know peeing in a pool is gross, and hoepfully we also know we shouldn't do it.

But to reinforce why it's so bad for you—and the entire pool of innocent splashers—the American Chemical Society has released a video breaking down the science behind the act.

The culprit: disinfection byproducts (DBPs), tiny compounds that are created when natural body excretions (sweat, urine) mix with cleaning chemicals. Since those pools are usually pumped full of chlorine, you can bet that there's some DBP action happening right under your nose.

DBPs can cause respiratory issues like asthma, as well as the eye irritation that's common after a day at the public pool.

Another fun fact, noted by Gizmodo: "[DBPs are] also responsible for that familiar summertime 'pool smell,' which probably evokes happy childhood memories. Sorry to burst the bubble, but that soothing scent is actually the result of the neighborhood kids’ bodily excretions.”

Well said.

Erika Owen is the Senior Audience Engagement Editor at Travel + Leisure. Follow her on Twitter and Instagram at @erikaraeowen. 

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