this post was submitted on 07 Aug 2023
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This seems like something that should be true, but I think I remember seeing a Mythbusters episode where they decided it didn't make a difference. That show was more about entertainment than science, so I wondered if there was a more rigorous study done? I've definitely seen splashes of water(?) come out from flushes so that alone seems to argue for closing lids.

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[–] Deebster@lemmyrs.org 7 points 1 year ago

Toothbrushes were mentioned, and I'd assume that the toothpaste does a good enough job at killing bacteria that it doesn't make a difference, aside from that the bacterial load is probably low enough to be negligible.

But yeah, you don't want to be thinking about putting a pooey stick in your mouth either.