AUTHOR=Domaradzki Jarosław , Popowczak Marek , Kochan-Jacheć Katarzyna , Szkudlarek Paweł , Murawska-Ciałowicz Eugenia , Koźlenia Dawid TITLE=Effects of two forms of school-based high-intensity interval training on body fat, blood pressure, and cardiorespiratory fitness in adolescents: randomized control trial with eight-week follow-up—the PEER-HEART study JOURNAL=Frontiers in Physiology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2025.1530195 DOI=10.3389/fphys.2025.1530195 ISSN=1664-042X