AUTHOR=Lin Yuanzheng , La Changxu , Luo Qingyuan , Zhang Peng TITLE=Relationship between community physical activity levels, social capital, intergenerational support, and subjective well-being among older adults in China: a moderated mediation model JOURNAL=Frontiers in Public Health VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1520565 DOI=10.3389/fpubh.2025.1520565 ISSN=2296-2565