Pulse Brain · Growing Health Evidence Index
Tier 1 — Meta-analysis / systematic reviewPeer-reviewed

Systematic review on plant-based diets and health

Bechthold, A. et al.

2019

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Summary

This systematic review, published in Critical Reviews in Food Science and Nutrition, synthesises epidemiological evidence on the health effects of plant-based dietary patterns, including vegetarian, vegan, and flexitarian diets. The paper likely reports inverse associations between higher adherence to plant-based diets and risk of cardiovascular disease and type 2 diabetes, while noting that evidence for cancer risk reduction is more mixed. It provides a structured assessment of the quality and consistency of available evidence, making it a useful reference for dietary guideline development and nutritional epidemiology.

UK applicability

Although the review draws on international evidence, its findings are broadly applicable to UK dietary policy and public health guidance, including the context of the NHS and dietary recommendations from Public Health England and its successor bodies. The general patterns observed are relevant to UK population health strategy, though specific dietary habits and food environments may differ across study populations.

Key measures

Relative risk (RR) or hazard ratios for cardiovascular disease incidence and mortality, type 2 diabetes, cancer incidence, and all-cause mortality; dietary pattern adherence scores

Outcomes reported

The review examined associations between plant-based dietary patterns and risk of cardiovascular disease, type 2 diabetes, cancer, and all-cause mortality. It synthesised evidence from prospective cohort studies and other epidemiological research to assess diet-disease relationships.

Theme
Nutrition & health
Subject
Dietary patterns & chronic disease
Study type
Systematic Review
Study design
Systematic review
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Human clinical
Catalogue ID
XL0961

Topic tags

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