Why does watching running water make us want to pee?
In: Biology
It makes me want to poop too, sometimes. Especially when I’m camping.
I’m not saying that I poop or pee in the river but it is very likely evolutionary. For some expansive amount of time that was the most sanitary place for an individual to do it in. So when you’re near where you sleep your body holds off, but at the river your instincts tell you it’s time to get things done.
Later on (as in, during the most recent blink of human existence) we have other forms of running water which was unaccounted for.
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