AUTHOR=Wu Jingtao , Shao Yanhong , Zang Wanli TITLE=The impact of physical exercise on adolescents’ mobile phone dependency: the serial mediating role of self-esteem and depression JOURNAL=Frontiers in Psychology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1471657 DOI=10.3389/fpsyg.2025.1471657 ISSN=1664-1078