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Originally Posted by Villages PL
That's an interesting article but I'm surprised no one has questioned it. For the time being let's just take the second paragraph and see if there is truth in it.
It states that, "The human brain likely would never have evolved into it's current form without the ingestion of meat." Maybe that's true and maybe not, there's no way we will ever know for sure. The big question is this: Now that our brain has evolved into its current form, what does meat have to maintain it that plants don't? In other words, what nutrients are unique to meat that plants don't have? Nothing that I know of except B12 and we can get that from a supplement.
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After I posted the above message I had some thoughts as to why the human brain evolved into its current form. I believe it's because nature selected for intelligence. Those who had the best survival skills survived because they were smarter, and those who had the least perished. So after tens of thousands of years (or hundreds of thousands of years) of consistently weeding out the least smart humans, the final result is human intelligence as we know it today.
Meat was very helpful back in the ice age so that humans could survive to evolve. When food was scarce, the best idea was to eat anything (edible) that you could get your hands on. Back then there were no supermarkets for them to pick and choose the healthiest foods for longevity.
Now we have this bigger and better brain, plus supermarkets, so we can now select nutrients for exceptionally greater longevity. You might say we have reached a new phase of human evolution.