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drewgross
on Feb 15, 2017
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Live slow, die old: Mounting evidence for caloric ...
People continue to influence their children long after they stop reproducing. Genes that help you children have more children are selected for, so something like a gene that keeps you alive long enough to care for your grandchildren seems plausible.
IanCal
on Feb 15, 2017
[–]
Although there are also clear costs to this, and as you look at longer timescales the benefits become less pronounced.
I'd at least say I don't see a
strong
evolutionary pressure for
extended
lifespans.
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