Given natural selection is true, why do we still have genetic eye sight issues? Because I would think bad eye sight would get you killed (or at least the inability to eat) in a hunter gatherer society.
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Say it with me everybody: humans evolved to take care of our sick, wounded, disabled, and old. “Humans are social creatures” doesn’t mean we like to see our friends sometimes, it means we are evolutionarily inclined to develop and maintain complex webs of social interdependency. Being born blind wasn’t a death sentence for early humans because you would have been surrounded by people who wanted you to be alive, even if that meant sharing the food on their plate. That’s one of the reason we like dogs and cats so much: they also prefer to live in social groups.
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