Plant-Based Diets and Cognitive Outcomes: A Systematic Review and Meta-analysis.

ABSTRACT: Although plant-rich dietary patterns like the Mediterranean and Mediterranean-DASH Intervention for Neurodegenerative Delay diets have been linked to cognitive benefits, the role of predominantly plant-based diets is less understood. This systematic review aimed to evaluate the association between plant-based diets and cognitive outcomes. A literature search was conducted in Medline and Embase using keywords related to plant-based diets (e.g., "vegetarian diet") and cognitive outcomes (e.g., "dementia"). Studies of any design were eligible. Reviewers independently screened studies, extracted data, and assessed quality using the Newcastle-Ottawa Scale. Meta-analyses were conducted on prospective studies that examined the same dietary exposure and cognitive outcome, using fixed-effects regre

SUBMITTER: Bigras C 

PROVIDER: S-EPMC12637054 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature