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. 2026 Sep 24;13:1888658. doi: 10.3389/fnut.2026.1888658

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Copyright © 2026 Niu, Li, Wang, Xu, Liu, Liu, Li and Cao.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Funnel plot displaying standard error on the vertical axis and standardized mean difference on the horizontal axis, with yellow points representing studies, shaded regions indicating p-values less than 0.05 and 0.01, and dashed lines marking confidence limits. — Contour-enhanced funnel plot of cognitive function.