Santos, W.F. dos and Veiga , L.A. 2026. Population aging in small towns and the promotion of health and well-being: Outdoor gyms in Centenário do Sul, Paraná, Brazil. Electronic Journal "Fórum Ambiental da Alta Paulista". 22, 1 (Jan. 2026), e2511. DOI:https://doi.org/10.17271/1980082722120266228.