AUTHOR=Chang Baorui , Cheng Jiaxin , Fang Jiandong , Lyu Zhaohua TITLE=Mortality salience and helping intentions: mediating role of search for meaning and moderating role of negotiable fate JOURNAL=Frontiers in Psychiatry VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2025.1507212 DOI=10.3389/fpsyt.2025.1507212 ISSN=1664-0640