Humans cannot survive on a single food source due to specific biological requirements for essential nutrients. The body needs a variety of amino acids, vitamins, and minerals that no single food can provide in adequate proportions. Historically, dietary variety has been crucial for human evolution, with our physiology adapting to consume a wide range of foods to support essential functions, including brain development. AI
RANK_REASON This is an explanatory article by a biologist discussing human dietary needs, not a new release or research finding.
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