The plague may have caused the downfall of the Stone Age farmers

[Warpy]

3. Not surprising. I't's long been known that health and life expectancy declined

as people settled into farming. On an individual bases, agriculture was a disaster. On a Darwinian basis, not so much, since a constant food supply allowed women to have more children.

There weren't just zoonotic diseases transferred from farm animals, the need to store grain also drew rodents who carried the fleas that carried plague. There was also no going back, once they'd started farming, they couldn't quit. They'd gotten too used to a steady supply of nutritionally dense foods.