Gross Science

What Causes Runner's Diarrhea?

Clip: Season 2 Episode 12 | 3m 47s

Ever get an uncontrollable urge to poop in the middle of a long run? You're not alone.

Aired: 08/29/16

Rating: NR

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Hi, I'm Anna. I host a YouTube series for NOVA, PBS Digital Studios, and WGBH on the slimy, smelly, creepy world of science. Here I post about all things bizarre and beautiful.

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