causal
Analysis v1
Strong Support
Eating meat and other animal foods helped early human ancestors change from living in forests and eating mostly fruit to living on open grasslands, and this diet change made their brains bigger and their guts smaller.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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A brief history of meat in the human diet and current health implications.
Narrative Review
2018 OctThe study shows that early humans eating meat helped them move out of the forests, grow bigger brains, and change their guts—exactly what the claim says.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.