ELi5 Why are assholes not festering?

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I’m just curious why are assholes which is constantly exposed to germs is not causing any infections or at least getting irritation from being constantly exposed to shit which is dirty.

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Anonymous 0 Comments

Additionally, all bacteria and microbes, that come out of your butt have already been inside your body, so you cannot get any “new” infections this way. Nevertheless, getting as many of them out without re-entering helps a lot

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