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In: Biology
Vomiting is a pretty safe and effective way to get dangerous/unhealthy things out of our body before they cause more harm.
Things that are disgusting enough to make us vomit are typically the same things that would make us sick if we were to eat them. Sure, there’s exceptions like stinky cheese and fermented fish, but the rule generally holds true.
The nausea/vomiting we experience is a really good way to make us avoid eating those things in the first place, which means we don’t get sick, and that’s a pretty solid advantage when it comes to evolution.
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