AUTHOR=Yan Xinzhou , Shao Xianhua , Zeng Tengyue , Zhang Qijie , Deng Junpeng , Xie Jianjun TITLE=National analysis of the dietary index for gut microbiota and kidney stones: evidence from NHANES (2007–2018) JOURNAL=Frontiers in Nutrition VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1540688 DOI=10.3389/fnut.2025.1540688 ISSN=2296-861X