Definitions:

Traditional Diets. Diets evolved from available plants and animals.

Industrial Diets. Diets constructed from individual macronutrients (protein, fat, carbs) and micronutrients (vitamins and minerals).

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Questions
Customs and intermittent fasting / spacing out consumption?

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Observations

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Links:
Diet, Intelligence and Longevity
HILLARD KAPLAN, KIM HILL, JANE LANCASTER, A. MAGDALENA HURTADO