Physical activity (PA) may have a positive effect on depressed mood. However, whether it can act as a protective factor against developing depressive symptoms in adolescence is largely unknown.
Toseeb, U., Brage, S., Corder, K., Dunn, V. J., Jones, P. B., Owens, M., St Clair, M. C., van Sluijs, E. M. F., & Goodyer, I. M. (2014). Exercise and depressive symptoms in adolescents: A Longitudinal cohort study. JAMA Pediatrics, 168(12), 1093-1100. https://doi.org/10.1001/jamapediatrics.2014.1794