Share 'Food For Thought: Meat-Based Diet Made Us Smarter'
Food For Thought: Meat-Based Diet Made Us Smarter
Our earliest ancestors ate their food raw — fruit, leaves, maybe some nuts. When they ventured down onto land, they added things like underground tubers, roots and berries.
It wasn't a very high-calorie diet, so to get the energy you needed, you had to eat a lot and have a big gut to digest it all. But having a big gut has its drawbacks.
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