AUTHOR=Liu Guotao , Zhang Jianyuan 

TITLE=Association of a novel nutritional index with cognitive impairment in middle-aged and elderly Chinese adults: a cross-sectional analysis from the China Health and Retirement Longitudinal Study

JOURNAL=Frontiers in Nutrition

VOLUME=12

YEAR=2025

URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1486917

DOI=10.3389/fnut.2025.1486917

ISSN=2296-861X