AUTHOR=Bácsné Bába Éva , Lengyel Attila , Pfau Christa , Müller Anetta , Bartha Éva Judit , Balogh Renátó , Szabados György , Bács Zoltán , Ráthonyi Gergely TITLE=Physical activity: the key to life satisfaction - correlations between physical activity, sedentary lifestyle, and life satisfaction among young adults before and after the COVID-19 pandemic JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1486785 DOI=10.3389/fpubh.2025.1486785 ISSN=2296-2565