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  A review in Science argues that sugars from fruit and honey, not meat, powered the human brain

  A review models obligatory glucose demand across six stages of hominin evolution and argues the roughly fivefold expansion of the brain was underwritten by dietary sugars from fruit and honey rather than by meat. Its headline figures currently trace to press coverage rather than the paper itself.

  Science 393(6811):574 to 581 · Brand-Miller et al. · 6 August 2026 · PMID 42561068

  carbohydrateevolutiongeneral-nutrition