AUTHOR=Guo Dandan , Li Tao , Yang Qingchao , Yang Chenlu , Yang Yang , Liu Fuchen , Ma Jun , Tu Jun , Ning Xianjia , Wang Jinghua , Song Chengyuan , Liu Yiming TITLE=Relationship between Body Roundness Index and cognitive impairment in middle-aged and older adults: a population-based cross-sectional study JOURNAL=Frontiers in Aging Neuroscience VOLUME=17 YEAR=2025 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2025.1522989 DOI=10.3389/fnagi.2025.1522989 ISSN=1663-4365