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[–]HelloMomo 13 insightful - 2 fun13 insightful - 1 fun14 insightful - 2 fun -  (3 children)

There are a couple theories that hold that humans evolved to be long-distance runners, who chase prey until it collapses of heat exhaustion. By being hairless and sweaty, humans could run for longer than other species before the heat exhaustion got to us.

Even though this is a thing the human body evolved to be able to do, very few humans actually do it.

[–]bopomofodojo 7 insightful - 1 fun7 insightful - 0 fun8 insightful - 1 fun -  (0 children)

This is a good analogy. Not absolutely everything that evolves for useful reasons is used by every individual every day (or even at all). It's about general trends in an entire species.

[–]MarkJeffersonTight defenses and we draw the line 3 insightful - 1 fun3 insightful - 0 fun4 insightful - 1 fun -  (1 child)

Yeah, although I think people who trek or exercise out regurlarly are physically and psychologically more sound than those who are sedentary. Including having better eyesight due to less booktime/screentime.

[–]HelloMomo 5 insightful - 1 fun5 insightful - 0 fun6 insightful - 1 fun -  (0 children)

This isn't just like, people who go hiking regularly. This is serious distance running, chasing a deer until it collapses. If a dog could go with you on your walk/run and not overheat, it by definition doesn't count. It has to be something that gets your body temperature so high that you need to be furless to handle it.