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Itsy bitsy spider: Fear of spiders and snakes is deeply embedded in us

Snakes and spiders evoke fear and disgust in many people, even in developed countries where hardly anybody comes into contact with them. Until now, there has been debate about whether this aversion is innate or learnt. Scientists have recently discovered that it is hereditary: Even babies feel stressed when seeing these creatures - long before they could have learnt this reaction.

Source: Itsy bitsy spider: Fear of spiders and snakes is deeply embedded in us