Nutrition (Burbank, Los Angeles County, Calif.) · 2025
Efficacy of Mediterranean diet for the prevention of neurological diseases: A systematic review and meta-analysis featured in the Italian National Guidelines "La Dieta Mediterranea".
СтатьяСистематический обзорМетаанализНазвание и аннотация: Перевод пока не подготовлен
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Zuliani Giovanni, Gianfredi Vincenza, Veronese Nicola, Volpe Massimo, Maggi Stefania, Onder Graziano, Silano Marco, Nucci Daniele, Zanetti Michela, Benussi Alberto, Burgio Marianna Ilarj, Fadda Maurizio, Guindani Paola, Sollai Sara, Cereda Emanuele, Caffarra Paolo
Аннотация
BACKGROUND: Neurological diseases, including Alzheimer's disease, depression, and Parkinson's disease, pose a growing public health challenge. Dietary patterns, particularly the Mediterranean diet (MD), have been proposed as modifiable factors for prevention. The aim of this systematic review and meta-analysis was to evaluate the association between adherence to the MD and the risk or progression of neurological conditions.
METHODS: This review was conducted in accordance with PRISMA 2020 and MOOSE guidelines. A comprehensive search of PubMed/MEDLINE, Scopus, Embase, and Cochrane Library was performed up to February 28, 2024. Study quality was assessed using the Newcastle-Ottawa Scale, and the certainty of evidence was evaluated with the NUTRIGRADE approach. Pooled effect sizes were computed using a random-effects model and expressed as risk ratios (RR), hazard ratios, or odds ratios, as appropriate.
RESULTS: Forty-five studies involving over 730 000 participants were included. Higher MD adherence was associated with reduced risk or prevalence of Alzheimer's disease (odds ratios = 0.92), mild cognitive impairment (RR = 0.93), depression (RR = 0.96), and Parkinson's disease (RR = 0.90), with moderate certainty of evidence. Limited evidence suggested reduced anxiety and lower mortality among patients with Alzheimer's disease. No significant associations were observed for dementia prevalence or progression from mild cognitive impairment to dementia.
CONCLUSIONS: Greater adherence to the MD is consistently associated with a lower risk of several neurological and mental health conditions. These findings support the promotion of MD-based dietary patterns in clinical and public health strategies to prevent cognitive decline and enhance healthy aging.
METHODS: This review was conducted in accordance with PRISMA 2020 and MOOSE guidelines. A comprehensive search of PubMed/MEDLINE, Scopus, Embase, and Cochrane Library was performed up to February 28, 2024. Study quality was assessed using the Newcastle-Ottawa Scale, and the certainty of evidence was evaluated with the NUTRIGRADE approach. Pooled effect sizes were computed using a random-effects model and expressed as risk ratios (RR), hazard ratios, or odds ratios, as appropriate.
RESULTS: Forty-five studies involving over 730 000 participants were included. Higher MD adherence was associated with reduced risk or prevalence of Alzheimer's disease (odds ratios = 0.92), mild cognitive impairment (RR = 0.93), depression (RR = 0.96), and Parkinson's disease (RR = 0.90), with moderate certainty of evidence. Limited evidence suggested reduced anxiety and lower mortality among patients with Alzheimer's disease. No significant associations were observed for dementia prevalence or progression from mild cognitive impairment to dementia.
CONCLUSIONS: Greater adherence to the MD is consistently associated with a lower risk of several neurological and mental health conditions. These findings support the promotion of MD-based dietary patterns in clinical and public health strategies to prevent cognitive decline and enhance healthy aging.