AUTHOR=Wang Wen , Ye Junrong , Wei Yanheng , Huang Jiawei , Wang Haoyun , Liu Fei , Wu Shengwei , Wu Jialan , Li Zezhi , Guo Jianxiong , Xiao Aixiang TITLE=Clinical characteristics of schizophrenia, depression, and Alzheimer’s diseases among older adults: a retrospective study of 271 consecutive admissions JOURNAL=Frontiers in Psychiatry VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2025.1486626 DOI=10.3389/fpsyt.2025.1486626 ISSN=1664-0640