Abstract
Objective: While associations of ultra-processed food (UPF) consumption with adverse health outcomes are accruing, its environmental and food biodiversity impacts remain underexplored. This study examines associations between UPF consumption and dietary greenhouse gas emissions (GHGe), land use, and food biodiversity. Design: Prospective cohort study. Linear mixed models estimated associations between UPF intake (grams/day and kcal/day) and GHGe (kg CO2-equivalents/day), land use (m2/day), and dietary species richness (DSR). Substitution analyses assessed the impact of replacing UPFs with unprocessed or minimally processed foods. Participants: 368,733 participants in the European Prospective Investigation into Cancer and Nutrition (EPIC) study. Setting: Europe Results: Stronger associations were found for UPF consumption in relation with GHGe and land use compared to unprocessed or minimally processed food consumption. Substituting UPFs with unprocessed or minimally processed foods was associated with lower GHGe (8.9%; 95%CI: - 9.0; -8.9) and land use (9.3%; -9.5; -9.2) when considering consumption by gram per day and higher GHGe (2.6%; 95% CI: 2.5: 2.6) and land use (1.2%; 1.0; 1.3) when considering consumption in kilocalories per day. Substituting UPF by unprocessed or minimally processed foods led to negligible differences in DSR, both for consumption in grams (-0.1%; -0.2; -0.1) and kilocalories (1.0%; 1.0; 1.1). Conclusion: UPF consumption was strongly associated with GHGe and land use as compared to unprocessed or minimally processed food consumption, while associations with food biodiversity were marginal. Substituting UPFs with unprocessed or minimally processed foods resulted in differing directions of associations with environmental impacts, depending on whether substitutions were weight- or calorie-based.
| Original language | English |
|---|---|
| Number of pages | 7 |
| Journal | Public Health Nutrition |
| Volume | 28 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 11 Sept 2025 |
Bibliographical note
Publisher Copyright:© The Author(s), 2025. Published by Cambridge University Press on behalf of The Nutrition Society.
Funding
The coordination of EPIC is financially supported by the IARC and the Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London which has additional infrastructure support provided by the NIHR Imperial Biomedical Research Centre (BRC). The national cohorts are supported by: Danish Cancer Society (Denmark); Ligue Contre le Cancer, Institut Gustave Roussy, Mutuelle Generale de l'Education Nationale, Institut National de la Sante et de la Recherche Medicale (INSERM) (France); German Cancer Aid, German Cancer Research Center (DKFZ), German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), Federal Ministry of Education and Research (BMBF) (Germany); Associazione Italiana per la Ricerca sul Cancro-AIRC-Italy, Compagnia di SanPaolo and National Research Council (Italy); Dutch Ministry of Public Health, Welfare and Sports (VWS), Dutch Prevention Funds, Dutch ZON (Zorg Onderzoek Nederland), World Cancer Research Fund (WCRF) (The Netherlands); Health Research Fund (FIS)-Instituto de Salud Carlos III (ISCIII), Regional Governments of Andalucia, Asturias, Basque Country, Murcia and Navarra and the Catalan Institute of Oncology-ICO (Spain); Swedish Cancer Society, Swedish Research Council and County Councils of Skane and Vaesterbotten (Sweden); Cancer Research UK (14136 to EPIC-Norfolk; C8221/A29017 to EPIC-Oxford), Medical Research Council (1000143 to EPIC-Norfolk; MR/M012190/1 to EPIC-Oxford). (United Kingdom), UiT The Arctic University of Norway. EKC was supported by the Ministry of National Education, Turkiye, through the YLSY International Graduate Education Scholarship Programme. Funding for grant number IIG_FULL_2020_034 was obtained from Wereld Kanker Onderzoek Fonds (WKOF), as part of the World Cancer Research Fund International grant programme. Funding for grant IIG_FULL_2020_033 was obtained from World Cancer Research Fund (WCRF UK), as part of the World Cancer Research Fund International grant programme. Researchers were independent from the funders. Funders had no role in the collection, analysis and interpretation of data, the writing of the manuscript and the decision to submit the article for publication. PV and CJM are supported by the NIHR GHRC on NCD and Environmental Change (NIHR203247) using UK aid from the UK Government to support global health research. Researchers were independent from the funders. Funders had no role in the collection, analysis and interpretation of data, the writing of the manuscript and the decision to submit the article for publication.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
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SDG 15 Life on Land
Keywords
- environmental impact
- food biodiversity
- food processing
- ultra-processed foods
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