4 ms·
>Cancer and heart disease simply don't impact child rearing. I'm not sure of that. There's data-supported discussion of possible contribution to offspring surv
by ridgeguy 5y ago
>Cancer and heart disease simply don't impact child rearing.
I'm not sure of that. There's data-supported discussion of possible contribution to offspring survival by grandparents [1]. If true, that would disclose a fitness benefit of familial long lifespan.
[1] https://www.smithsonianmag.com/science-nature/how-much-did-grandmothers-influence-human-evolution-180976665/ https://www.smithsonianmag.com/science-nature/how-much-did-g...
[not a peer-reviewed primary source, but a reasonable commentary on the matter.
- inglor_cz 5y agoYes, but "in the wild", length of a human generation was much shorter than today. It still is in some developing countries. People would start reproducing around 17, so around 40-45, you already would be a grandparent with multiple grandkids. This is still early for cancer or heart disease, unless you inherited some unlucky genes.