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Originally Posted by Fish
[B][SIZE="3"]As the brain grew during this period, more energy was needed, and it likely came from carbohydrates, not protein, too much of which can be toxic to the human body and even cause death.
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Too much of which can be toxic and cause death?
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This is further supported by evidence of two other major developments at the time: Saliva was evolving to better break down starch-rich plants, and our forebears were learning to cook.
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So prior to our predecessors learning to cook they just ate meat raw off the bone? Were they somehow better equipped to deal with foodborne illness? Sharper teeth for cutting into flesh?