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If the chances of dying after loosing a limb aren't very high it just doesn't make sense to develop (extreme) pain from an evolutionary perspective.
by jhoh 8y ago
If the chances of dying after loosing a limb aren't very high it just doesn't make sense to develop (extreme) pain from an evolutionary perspective.
- jazoom 8y agoThe chance of me dying from placing my finger on the stove is 0%, but I assure you the pain is severe.
- smt88 8y agoYou can't regrow your finger, and having working fingers would've been useful for survival for nearly 100% of your ancestors (the ones that had digits, that is). There are lizards who lose their tails painlessly as a way to escape predators. If they felt pain in that situation, they might die, so it would've been selected out over time.
- jobigoud 8y agoYeah but regrowing limbs arrived after, it's built on top of their tetrapod ancestry. So it's entirely possible that pain is still here as a leftover from when it was a very critical condition.