AUTHOR=Guo Jian TITLE=The dual impact of physical exercise on university students’ mental health: the chain mediating effects of mindfulness and psychological resilience JOURNAL=Frontiers in Psychology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1545370 DOI=10.3389/fpsyg.2025.1545370 ISSN=1664-1078