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The scientific evidence on their effectiveness is still evolving, and they are not a substitute for long-term healthy habits
Acknowledgements This work was supported by the National Natural Science Foundation of China (U23A20573, U23A20140), S&T Program of Hebei (242Q4301Z, 236Z4306G, 23314401D), the Hebei Natural Science Foundation (E2024208084), Huangjintai plan project of Hebei provincial department of education (HJZD202512), and Basic Research Fund of Hebei University of Science and Technology (2025XL021)
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