# Vegan Diet, Greenhouse Gas Emissions, and Cumulative Energy Demand: A Secondary Analysis of a Randomized Clinical Trial

**Authors:** Hana Kahleova, Arathi Jayaraman, Brighid McKay, Laura Chiavaroli, Songhee Back, Ilana Fischer, Reagan Smith, Richard Holubkov, Neal D. Barnard

PMC · DOI: 10.1001/jamanetworkopen.2025.43871 · JAMA Network Open · 2025-11-17

## TL;DR

This study explores how switching to a low-fat vegan diet affects greenhouse gas emissions and energy use.

## Contribution

The study provides new insights into the environmental impact of a low-fat vegan diet using clinical trial data.

## Key findings

- Adopting a low-fat vegan diet reduces greenhouse gas emissions.
- The diet also lowers cumulative energy demand.

## Abstract

This secondary analysis of a randomized clinical trial examined the environmental effect of adopting a low-fat vegan diet on greenhouse gas emissions and cumulative energy demand.

## Full-text entities

- **Diseases:** overweight (MESH:D050177)
- **Chemicals:** GHGE (-), CO2 (MESH:D002245)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Full text

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## Figures

1 figure with captions in the complete paper: https://tomesphere.com/paper/PMC12625681/full.md

## References

6 references — full list in the complete paper: https://tomesphere.com/paper/PMC12625681/full.md

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Source: https://tomesphere.com/paper/PMC12625681