AUTHOR=Kong Yingming , Tai Yanghao , Chen Bin , Li Chunzheng , Chen Hao , Shi Liang TITLE=Serum potassium level is associated with serum neurofilament light chain in American adult population: a cross-sectional analysis of the 2013–2014 National Health and Nutrition Examination Survey JOURNAL=Frontiers in Aging Neuroscience VOLUME=17 YEAR=2025 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2025.1511881 DOI=10.3389/fnagi.2025.1511881 ISSN=1663-4365