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Comparing the Recommended Eating Patterns of the EAT-Lancet Commission and Dietary Guidelines for Americans: Implications for Sustainable Nutrition.

Nicole Tichenor Blackstone, Zach Conrad
Current Developments in Nutrition , Volume 4; doi:10.1093/cdn/nzaa015

Abstract: The purpose of this research was to compare the global reference diet from the EAT-Lancet Commission on Healthy Diets from Sustainable Food Systems (EAT-Lancet) with the healthy eating patterns from the 2015-2020 Dietary Guidelines for Americans (DGA). Conversion factors were developed to quantitatively compare the patterns. These factors are provided to enable investigators to incorporate the EAT-Lancet diet into analyses while maintaining relevance to US-based dietary guidance. Our findings show several areas of agreement between EAT-Lancet and the DGA but key differences in the amounts of whole grains, fruit, starchy vegetables, red meat, nuts and seeds, and discretionary calories. Many of the differences between the patterns reflect divergent approaches to developing dietary recommendations, not only methodologically but also regarding whether current food consumption patterns are considered as constraints on recommendations. Continued interdisciplinary collaboration is needed to advance dietary guidance that promotes sustainable nutrition.
Keywords: dietary guidelines / sustainability / health / Diet / environment / nutrition policy / Food Systems

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