AUTHOR=Zhu Bei , Liu Qing , Jia Shuqi , Wang Xing , Man Qin TITLE=The relationship between physical exercise and depressive symptoms in college students: the mediating role of rumination JOURNAL=Frontiers in Psychiatry VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2024.1501996 DOI=10.3389/fpsyt.2024.1501996 ISSN=1664-0640