China hides Covid data, the problem with pain
The Naked Scientists Podcast
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The Evolution of Pain
When does a non-painful stimulus become something painful? Is there a kind of trigger where me just touching my wrist doesn't do anything? But if I was to prick it with a pin, I would feel pain. Within the skin itself, you have different type of nerve fibers. There's nerve fibers that respond to heat and ones for itch. And then we have ones for touch. Pain is good, right? It's an evolutionary advantage. It's something our body needs to do to stop us causing ourselves more injury.
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