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. 2025 Mar 14;14:e25. doi: 10.1017/jns.2025.13

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© The Author(s) 2025

This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (https://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided that no alterations are made and the original article is properly cited. The written permission of Cambridge University Press must be obtained prior to any commercial use and/or adaptation of the article.

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Fig. 4. — Dose-response relations between green tea dosage (mg/day) and absolute (unstandardised) mean differences of the outcomes in non-linear fashion.