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Plant-based diets include a variety of eating patterns that prioritize plant-derived foods, ranging from fully plant-exclusive diets like veganism to those that include some animal products, such as vegetarian or Mediterranean diets. These diets are often associated with health benefits, though they may not inherently be balanced unless they include a focus on whole, minimally processed plant foods.
Author and reviewer
Editorial responsibilityReferences and further reading
- Bizzozero-Peroni, B., Díaz-Goñi, V., Fernández-Rodríguez, R., Martínez-Vizcaíno, V., Jiménez-López, E., Visier-Alfonso, M. E., Garrido-Miguel, M., & Mesas, A. E. (2025). Plant-based diets and mental and neurocognitive health outcomes: A systematic review with meta-analysis. Nutrition Reviews, 83(12), 2282–2295. https://doi.org/10.1093/nutrit/nuaf080. PMID: 40720633. View source
- Lee, A. G., Vargas, S. B., Ali, J. M., et al. (2025). Exploring plant-based diets and mental health outcomes: A systematic review. Cureus, 17(8), e89846. https://doi.org/10.7759/cureus.89846. PMID: 40951201. View source
How to cite this entry
CNP (2026). Plant-Based Diets. In CNP Encyclopedia Editorial Board (Eds.), Encyclopedia of Nutritional Psychology. The Center for Nutritional Psychology.
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