AUTHOR=Zhuang Zhijie , Huang Shan , Xiong Yingzhu , Peng Yan , Cai Shuangming TITLE=Association of magnesium depletion score with serum anti-aging protein Klotho in the middle-aged and older populations JOURNAL=Frontiers in Nutrition VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1518268 DOI=10.3389/fnut.2025.1518268 ISSN=2296-861X