Czechowska, M.; Kasznicki, M.; Skrzypek, E.; Łącki, J.; Rogozińska, A.; Beśka, W.; Jackowiak, K.; Kalisiak, M.; Micek, N.; Kamela, M. Vitamin D and the Serotonergic Pathway in Depression: Genomic Mechanisms, Clinical Evidence, and Implications for Sport and Physical Activity — A Narrative Review. Qual Sport 2026, 57, 72508.