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ELI5: Why can dogs and other animals just willingly eat disgusting things like poop, own vomit etc. Is it just a psychological barrier because we know how gross those things are?
ELI5: Why can dogs and other animals just willingly eat disgusting things like poop, own vomit etc. Is it just a psychological barrier because we know how gross those things are? * /r/explainlikeimfive
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