Pee, not chlorine, causes red eyes from swimming pools: CDC
 

Lauren O’Neil

Chlorine has long had a bad rap for irritating the eyes of swimmers, especially in crowded public pools.

As it turns out, however, it’s not the chemical itself turning your eyes red after a swim — it’s everything else in the water that chlorine goes in to kill.

Specifically, human urine.

Categories Health Science


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