I am not an expert in nutrition and, if I am honest, I have been sceptical of the significance of occasional health-related claims such as the claimed link between red meat and cancer. But that there is a link between diets and ill-health is indisputable. What is less clear is the nature of these links, which has been brought into sharp focus by the publication of the latest U.S. Dietary Guidelines for Americans 2025-2030 by U.S. Department of Health and Human Services Secretary Robert F. Kennedy, Jr. and U.S. Department of Agriculture Secretary Brooke Rollins two days ago on 7 January 2026.
In 2021, the OECD published a report prepared by Koen Deconinck Making Better Policies for Food Systems which argued that achieving better food policies for food systems requires overcoming frictions related to facts, interests and values. The latest U.S. Dietary Guidelines provide a relevant case study of the way differences in the interpretation of facts can influence policy recommendations.… Read the rest
