Why are people afraid of snakes?

[Zincubus]

One person I know states their fear is because snakes don't have any legs, and the fact that they can move without them bothers them. The other person I know who is afraid/ grossed out by them seems to have a sensory aversion to their movement. If they are still or are fake-looking (such as an animation) she is fine, but a slithering snake makes her feel nauseous.

My long suffering wife quite likes the look of Pythons / Boas as they have ‘heads’ ... not AS keen on the ones like Corn snakes who are just a long thin body with no noticeable head shape


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