Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Global Improvement in Dietary Quality Could Lead to Substantial Reduction in Premature Death

Dong D. Wang, Yanping Li, Ashkan Afshin, Marco Springmann, Dariush Mozaffarian, Meir J. Stampfer, Frank B. Hu, Christopher J L Murray, Walter C. Willett

Journal of Nutrition · 2019

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Summary

This global analysis, drawing on prominent nutritional epidemiologists and the Global Burden of Disease framework, examines the potential public health impact of improving dietary quality worldwide. The authors quantify the extent to which shifts towards healthier dietary patterns—emphasising whole grains, fruits, vegetables, legumes, nuts, and fish whilst reducing ultra-processed foods and added sugars—could substantially reduce premature mortality. The findings suggest dietary quality improvement represents a major lever for disease prevention at the population level.

UK applicability

The findings are directly relevant to UK public health policy and nutrition guidelines, particularly for strategies addressing diet-related chronic disease burden and premature mortality. The modelled dietary improvements align with Eatwell Guide recommendations and could inform evidence-based nutrition communication and food policy in the UK context.

Key measures

Premature mortality averted; dietary quality shifts; disease-specific mortality reductions

Outcomes reported

The study quantified the potential public health impact of improving dietary quality worldwide, estimating the reduction in premature mortality attributable to shifts towards healthier dietary patterns across populations.

Theme
Nutrition & health
Subject
Dietary patterns & chronic disease
Study type
Research
Study design
Modelling study using Global Burden of Disease framework
Source type
Peer-reviewed study
Status
Published
Geography
Global
System type
Food supply chain
DOI
10.1093/jn/nxz010
Catalogue ID
BFmokjof1a-nj7gxd

Topic tags

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