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Associations of dietary patterns with brain health from behavioral, neuroimaging, biochemical and genetic analyses

Zhang R, Zhang B, Shen C, Sahakian BJ, Li Z, Zhang W, Zhao Y, Li Y, Feng J, Cheng W. (2024) Nature Mental Health  1 April 

Web URL: Read the full article here on Nature Mental Health

Abstract:

Food preferences significantly influence dietary choices, yet understanding natural dietary patterns in populations remains limited.

Here we identifiy four dietary subtypes by applying data-driven approaches to food-liking data from 181,990 UK Biobank participants: ‘starch-free or reduced-starch’ (subtype 1), ‘vegetarian’ (subtype 2), ‘high protein and low fiber’ (subtype 3) and ‘balanced’ (subtype 4).

These subtypes varied in diverse brain health domains. The individuals with a balanced diet demonstrated better mental health and superior cognitive functions relative to other three subtypes.

Compared with subtype 4, subtype 3 displayed lower gray matter volumes in regions such as the postcentral gyrus, while subtype 2 showed higher volumes in thalamus and precuneus.

Genome-wide association analyses identified 16 genes different between subtype 3 and subtype 4, enriched in biological processes related to mental health and cognition.

These findings provide new insights into naturally developed dietary patterns, highlighting the importance of a balanced diet for brain health.

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