Shadowknight: phalamir: That's not really true. Pre-modern life expectancy factors in simply horrid childhood mortality (in comparison, we actually have a separate category just for under-1yo, because they skew the results so bad, even today). Reaching 20 might have been a chore back in ye olde dayes, but the person who did had about as good a chance of hitting 50 as you or I. They had some ways of dying that we just don't care about, but we have ways of kicking off that would never occur to them (car deaths, heart failure, and cancers kinda cancel out dysentery, cholera, and cave bear). Menopause probably had more to do with the fact we effectively have extreme preemies compared to every other primate - an extra pseudo-mother, who didn't have to worry about her own wee bairns, to dote on the useless parasite greatly increased the chances of survival by taking a load off the actual mother. "Nana" was probably the factor that kicked your chances from "Just kill yourself now, kiddo" up to "Well, you sorta kinda maybe will live long enough to develop pubic hair"All good and fair points, I suppose, but I would still maintain that life expectancy and even fertility was never meant to go as far as it has in the modern medical age.
lewismarktwo: Nah, it's cause old people make tarded babies.
Quantum Apostrophe: quickdraw: think women over 50 aren't having sex?One hopes. Sex is for the young.Old people having sex is like watching an old toothless cat trying to hunt.
doglover: phalamir: (car deaths, heart failure, and cancers kinda cancel out dysentery, cholera, and cave bear)Honestly, between cancer and a cave bear, I know which one I'd choose and an oncologist would be useless.
Shadowknight: quickdraw: soooo nothing to do with life expectancy and the ability to raise your child then? Or perhaps that the extreme physical demands that pregnancy, birth and nursing put on the mother? Or that having a whole generation of women who are no longer procreating available to assist in the care of the young?None of that?And seriously - does the researcher think women over 50 aren't having sex?Evolutionarily speaking, There wouldn't be much point to pro rating beyond that point anyway. Without modern medicine, protective devices, tools... just looking at us as biological machines, the animals we really are, our life expectancy wouldn't be much higher than that of menopause anyway. We'd be dead of animal attack, infection, starvation, or any number of reasons well before a lady's baby factory shuttered it's windows and locked it's doors
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