Why does it hurt when you get a scrape? A neuroscientist explains the science of pain

Why does it hurt when you get a scrape? A neuroscientist explains the science of pain

Source: The Conversation

Pain is unpleasant, but it does have a purpose.

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“How come you feel pain when you fall and get a scrape?” – Tillman, age 9, Asheville, North Caroli… [4631 chars]

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