AUTHOR=Liu Fajin , Zhong Xiaogang , Wang Cuiting TITLE=Lower creatinine levels are associated with an increased risk of depression: evidence from the China Health and Retirement Longitudinal Study JOURNAL=Frontiers in Psychiatry VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2025.1446897 DOI=10.3389/fpsyt.2025.1446897 ISSN=1664-0640