Hannah LeBlanc
Historian of nutrition science who discusses the historical development of RDAs, the role of early home economists, and the social and political context of U.S. dietary recommendations.
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Apr 7, 2026 • 55min
Protein, Pyramids, and Politics: The Forgotten Stories and Controversial Science Behind Government Dietary Advice
Hannah LeBlanc, historian of nutrition science who traces how RDAs emerged from wartime and policy, and Kevin Klatt, nutrition scientist who analyzes modern guideline evidence. They unpack the origins of nutrient rules, the shift from deficiency prevention to chronic disease thinking, controversies around protein and saturated fat guidance, and why visual food guides sometimes contradict written recommendations.
