Reference: 253 Title: The Ancestral Human Diet: A Model for Modern Nutrition? Summary: Early humans in northeast Africa consumed about 35% of their energy from carbohydrates, with only 2-3% from simple sugars like honey. URL: https://www.cambridge.org/core/services/aop-cambridge-core/content/view/36E3866D0207692F8CA1CCA3BD947055/S0029665106000012a.pdf