Nutrition-Mental Health Survey 2026

Join the conversation and play your part in helping to shape the field!

CNP is conducting a survey to help CNP better understand current perspectives and needs of the nutrition–mental health connection in education, research, and clinical practice.

Completing this 5-minute survey will help us identify barriers to collaboration between psychological and nutritional sciences and guide future program development, research priorities, and educational initiatives. Your responses are confidential and will play an important role in shaping resources that better serve our community. Thank you for sharing your voice!

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Plant-Based, Vegetarian, Vegan, and Mental Health

Plant-Based, Vegetarian, Vegan, and Mental Health (Adult Population)

The CNP Plant-Based, Vegetarian, Vegan, and Mental Health Research Category consolidates research exploring plant-based and vegetarian diets within the field. To view each original study on the open internet, click “Original.” To view the CNP summary of the study, click “CNP Summary.” While a small portion of the studies in this research category is available below for free, the full set of studies (and their summaries) are available to CNP members through the CNP Library Membership.

Association between vegetarian and vegan diets and depression: A systematic review

  • Karim Maghraby, M.B.B.Ch, M.Sc, Director
  • 18 May 2020
  • Reviewed By CNP STAFF
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This CNP Research Summary is protected. Become a CNP Library Member to access it.

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Related Studies

Depression, anxiety, emotional eating, and body mass index among self-reported vegetarians and non-vegetarians: A cross-sectional study in Peruvian adults

  • Karim Maghraby, M.B.B.Ch, M.Sc, Director
  • 18 May 2020
  • Reviewed By CNP STAFF

Vegetarianism is often linked to various health benefits, yet its relationship with mental health aspects remains unclear. This study by Saintila et al. (2024) examined the body mass index (BMI), emotional eating (EmE), and symptoms of anxiety and depression among adult vegetarians and non-vegetarians in Peru. 768 adult Peruvians participated in a cross-sectional survey, 284 […]

Cost and affordability of plant-based diets: global evidence from 2000 to 2025

  • Karim Maghraby, M.B.B.Ch, M.Sc, Director
  • 18 May 2020
  • Reviewed By CNP Staff

Plant-based diets (PBDs) offer notable health and environmental benefits; however, their adoption is hindered by perceived high costs. This narrative review synthesizes evidence regarding the cost-effectiveness of PBDs compared to conventional omnivorous diets through three analytical lenses: empirical expenditure studies, economic modeling projections, and consumer spending behaviors. Research conducted between 2000 and 2025 indicates that whole-food PBDs typically […]

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