I really encourage you to do some research on evolutionary biology. Almost everything you said here is wrong.
It's only very recently in human history with the advent of agriculture that large amounts of grains and legumes becme available for human consumption. 99.5% of our human existence was spent as hunter-gatherers surviving on mostly meat.
It's only very recently in human history with the advent of agriculture that large amounts of grains and legumes becme available for human consumption. 99.5% of our human existence was spent as hunter-gatherers surviving on mostly meat.