ArticleThe international journal of behavioral nutrition and physical activity2025
Adherence to the planetary health diet is associated with slower cognitive decline: a prospective cohort analysis of Chinese older adults.
Article in The international journal of behavioral nutrition and physical activity, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 2 of them syntheses that pooled it.
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Who cites it
6 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- The Health and Environmental Impacts, Safety, and Affordability of the EAT-Lancet Planetary Health Diet: A Multidisciplinary Systematic Review and Meta-Analysis.Advances in nutrition (Bethesda, Md.) · 2026Pooled it
- Adherence to the EAT-Lancet diet and neuropsychiatric disorders: a systematic review and meta-analysis.Psychological medicine · 2026Pooled it
- Association of the Planetary Health Diet with dementia risk and brain pathology.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Longitudinal trajectories of cancer-related cognitive impairment and influential factors among patients with lung cancer.Comprehensive psychoneuroendocrinology · 2026Article
- Association Between the Planetary Health Diet Index and Chronic Kidney Disease Prevalence and Mortality: An Analysis of NHANES 2005-2018.Food science & nutrition · 2026Article
- Nutritional Risk Factors Model of Community-Dwelling Older People in Poland-Pilot Study.Nutrients · 2025Article
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Abstract
backgroundThe EAT-Lancet commission has proposed a planetary health reference diet (PHD) aiming to improve human health and global environmental sustainability. Emerging evidence suggests that high-quality diet is a modified risk factor cognitive decline. However, population-based evidence in relation to the association between this diet and cognitive decline is scarce.
methodsThis prospective cohort study examined data from the China Health and Nutrition Survey (CHNS) during 1997-2011.We included 3404 adults aged 60 years and older with normal cognition at baseline. Dietary intake was assessed using 3-day 24 h dietary recalls combined with weighing methods and cognitive function was assessed using repeated measures of the Telephone Interview for Cognitive Status-modified (TICS-m). The Planetary Health Diet Index (PHDI) was based on 14 food groups and a total score from 0 to 140. Higher scores indicated greater adherence to the PHDI. We used linear mixed model with random intercepts and slope to evaluate the association between PHDI score and cognitive decline adjusting for demographic, health, and lifestyle confounders.
resultsDuring a median follow-up of 12 years, higher adherence to the PHDI was associated with a slower decline in memory and global cognition. Participants in the highest quintile of PHDI adherence had significantly slower memory decline (B = 0.025, 95%CI:0.000-0.049, P for trend = 0.019) and global cognitive decline (B = 0.020, 95%CI:0.004-0.037, P for trend = 0.029) compared to those in the lowest quintile. Stratified analyses revealed that physical activity modified these associations (P < 0.05). Among participants engaging in vigorous physical activity, those in the highest PHDI quintile exhibited an attenuated annual memory decline (B = 0.070, 95%CI:0.010-0.130, P for trend = 0.013) and global cognitive decline (B = 0.045, 95%CI:0.003-0.086, P for trend = 0.037) compared to those in the lowest quintile.
conclusionHigher adherence to the PHD was associated with slower cognitive decline in older Chinese adults. Physical activity, particularly vigorous physical activity, may enhance the cognitive benefits of this dietary pattern. These findings highlight the potential dual benefits of sustainable dietary patterns for both environmental and cognitive health.
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