Affordability and nutritional challenges for the future of EAT diets: an economic modelling analysis
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View abstract on PubMed
Summary
This summary is machine-generated.Adopting the EAT-Lancet diet may lower food prices and improve some nutrient intake, but could worsen deficiencies like vitamin A, particularly in lower-income nations. Careful planning is needed to ensure nutritional adequacy alongside sustainable food systems.
Area Of Science
- Agricultural Economics
- Nutritional Science
- Sustainable Food Systems
Background
- Dietary affordability is a major barrier to healthy eating, especially in low-income regions.
- Shifting to sustainable food systems requires significant dietary changes.
- The 2025 EAT-Lancet Commission provides a framework for healthy, sustainable diets.
Purpose Of The Study
- To model the impact of adopting the 2025 EAT-Lancet Commission diet on global food systems.
- To assess changes in calorie availability, food expenditure, nutrient availability, and food prices by 2050.
- To analyze these impacts across different socioeconomic pathways and income levels.
Main Methods
- Utilized the International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT).
- Modeled three Shared Socioeconomic Pathways (SSPs) with global adoption of the EAT-Lancet diet by 2050.
- Analyzed price shifts of key commodities, nutrient availability gaps, and income spent on food.
Main Results
- Global adoption of the EAT-Lancet diet is projected to decrease the price index of staple foods.
- Nutrient availability shows mixed results: increases in folate, iron, and zinc, but a decline in vitamin A.
- The share of income spent on food and nutrient availability impacts vary significantly by region and income level.
Conclusions
- The EAT-Lancet diet can mitigate projected food price increases but may lead to unintended nutrient deficiencies.
- Lower-income countries face greater risks of nutrient deficiencies (e.g., vitamin A) due to reduced animal-sourced food intake.
- Dietary guidelines may need adjustments for lower-income contexts to prevent exacerbating existing nutritional gaps.
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