AUTHOR=Zhu Xianglei , Du Qian , Li Yufen , Zhu Yucheng , Ge Chengwei , Chen Jiawen TITLE=Activating the souls of the older adults: insights into the psychological well-being of older adults through social interactions in the Guangdong-Hong Kong-Macao Greater Bay Area JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1461481 DOI=10.3389/fpubh.2025.1461481 ISSN=2296-2565