Organic food consumption is positively associated with cognitive function among middle-aged and older adults: cross-sectional and longitudinal analyses.

IF 4.1 2区 医学 Q2 NUTRITION & DIETETICS
Shiyu Li, Haowen Chen, Ruxun Zhao, Tingyu Wang, Jufeng Ye
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引用次数: 0

Abstract

Purpose: Examine cross-sectional and longitudinal relationships between organic food consumption and cognitive function among older adults.

Methods: In this study, 6077 participants were selected from the 2012 Health and Retirement Study (HRS) and the Health Care and Nutrition Study (HCNS) for cross-sectional analyses, and retaining 4882 individuals for longitudinal analyses. Organic food consumption was assessed using a Food Frequency Questionnaire and participants were categorized based on their organic dietary diversity score. Cognitive function was evaluated using the Langa-Weir classification. A multivariable linear analysis was used to investigate the associations between organic food consumption and cognitive function. Cox proportional hazards model examined the association between mild cognitive impairment (MCI) and organic food consumption.

Results: Our findings revealed a positive association between the organic food consumption and cognitive function among older adults. However, the consumption of organic food was found to significantly reduce the risk of MCI only among females, with a hazard ratio of 0.80 (95% CI 0.65-0.98). Furthermore, both organic animal and plant food consumption were independently linked to a 27% and 20% reduction in the risk of incident MCI, respectively.

Conclusion: This research results underscores the cognitive benefits of organic diets, particularly in mitigating the risk of MCI among females. Recognizing the sex-specific nature of this association suggests the importance of considering gender perspectives in the formulation of dietary interventions aimed at cognitive health.

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来源期刊
CiteScore
10.20
自引率
2.00%
发文量
295
审稿时长
6 months
期刊介绍: The European Journal of Nutrition publishes original papers, reviews, and short communications in the nutritional sciences. The manuscripts submitted to the European Journal of Nutrition should have their major focus on the impact of nutrients and non-nutrients on immunology and inflammation, gene expression, metabolism, chronic diseases, or carcinogenesis, or a major focus on epidemiology, including intervention studies with healthy subjects and with patients, biofunctionality of food and food components, or the impact of diet on the environment.
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