Sigma Nutrition Radio
#584: EAT-Lancet: Does the Planetary Health Diet Improve Human Health?
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18 Nov 2025 · 59 min
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How should we think about diets that claim to optimise both human and planetary health? Can a single "reference diet" really balance the complex trade-offs between nutrition adequacy, chronic disease prevention, and environmental sustainability? These questions have gained renewed attention with the release of the 2025 update to the EAT-Lancet Planetary Health Diet. The original 2019 report proposed a mostly plant-based dietary pattern designed to improve population health while staying within p