Obviously pain (even severe pain) is essential to human survival. But why would the body generate a degree of pain that essentially cripples the individual, leaving them basically helpless? How is this beneficial?
In: Biology
could still be better than the permenant damage caused by continual use of the joint/muscle.
humans are also not solitary animals; we have always had small to large tribal units; if you still provide some benefits to the tribe (or at least expected to be able to eventually) you can rest for several days without being eaten alive
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