AUTHOR=Deng Shuguang , Su Jinhong , Yang Heping , Liang Jinlong , Zhu Shuyan TITLE=Urban built environment and its impact on university students’ loneliness: a mechanistic study JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1514820 DOI=10.3389/fpubh.2025.1514820 ISSN=2296-2565