Biologically, there’s no reason for humans to remain alive past 40. By then they should have born offspring and ensured that those offspring survive to maturity. Anything after that is a big added bonus. Perhaps evidence that intelligence does have its survival benefits.
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Biologically, there’s no reason for humans to remain alive past 40. By then they should have born offspring and ensured that those offspring survive to maturity. Anything after that is a big added bonus. Perhaps evidence that intelligence does have its survival benefits.