AUTHOR=Li Tianjiao , Li Lingxuan , Xie Hongyang , Ping Rongyu , Guo Yane , Li Dongmei , Zhang Yuwei , Bai Xiujuan , Sun Bo TITLE=Association between chronic pain and cognitive frailty among middle-aged and elderly individuals: evidence from the China Health and Retirement Longitudinal Study JOURNAL=Frontiers in Aging Neuroscience VOLUME=16 YEAR=2024 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2024.1491120 DOI=10.3389/fnagi.2024.1491120 ISSN=1663-4365