People for the last 10k years in agrarian societies mostly ate cereal grains, with a few exceptions like Mesoamerica where they ate beans, squash, and a cereal

People for the last 10k years in agrarian societies mostly ate cereal grains, with a few exceptions like Mesoamerica where they ate beans, squash, and a cereal grain. Hunter gatherers eat a stunning variety of diets and archeology suggests this has always been true. In polar regions people subsist primarily on meat and animal fat, in other places primarily shellfish and small fish.