eli5, why is it that sometimes we would injure ourselves and can go minutes without being pain but when we notice the injury we feel pain
In: 13
There’s many factors but basically you might need to get out of a situation to survive so you produce adrenaline to escape or do whatever you need to do to remove yourself from said danger. When that wears off…
Ow.
Adrenaline. When your monke ancestors faced danger, they either had to fight or flee. If a predator ripped off their arm, it wouldn’t do them much good to worry about it at that moment. Adrenaline turned off the pain part of their brain so they could run fast enough to get away or, alternately, gave them the strength to beat the predator away with their own severed arm.
Several generations later, here you are with the same adaptations.
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