Eli5: Why is a phobia of spiders so common?

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Why are so many humans (myself included) afraid of spiders? Arachnophobia consistently lands in the top 10 most-common phobias. Why? Especially when there aren’t *that* many deadly species of them? Why spiders over other animals?

In: Biology

32 Answers

Anonymous 0 Comments

Spiders are powerful so the brain is afraid.

But

Not so powerful as dogs, brutal beasts, bane of humanity, That Which Devours Men. Do you know dogs kill 30000 humans per year in the world? They are the biggest predator humanity has. Soon, the human brain will be wired to fear them, and spiders will be forgotten 

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