The sight of certain things or images has made me throw up before and I don’t understand how eyesight can trigger the gag reflex.
In: Biology
Seeing disgusting things make you mind think you could have been contaminated by it. Also, seeing someone throw up could make you think they are something bad and you could have eaten it to. One person pukes and every joins in just to be safe
It is an evolutionary trick that is related to disgust. Our brain is wired to be disgusted around things that can poison or infect us. When you see (or smell) something like poop, or a dead animal, or rotten food, it triggers this reaction as sort of a reminder that we shouldn’t eat that or be around that because it can make us sick. Or if you try to eat it, your body (and evolutionary brain) is screaming at you “NO! that’s bad!” – and you cant eat it or it makes you throw up.
It’s really the same as the taste or smell, your brain wants to make sure you don’t even try to eat it.
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