AUTHOR=Zhang Ming , Guan Qinyi , Mai Jianrong , Li Si , Liu Chengwu , Zhou Ling , Lin Lina , Teng Kaisheng TITLE=How exercise frequency affects BMI: a nationwide cross-sectional study exploring key influencing factors, including dietary behavior JOURNAL=Frontiers in Public Health VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1514805 DOI=10.3389/fpubh.2024.1514805 ISSN=2296-2565