Kwitowska, P., Ubysz, E., Muraszewski, Łukasz, Muraszewska, E., Nieradka, K., & Krakowiak, D. (2026). The Effects of Relative Energy Deficiency in Sport (RED-S) on Endocrine, Bone, and Metabolic Health and Athletic Performance: A Narrative Review. Quality in Sport, 54, 70460. https://doi.org/10.12775/QS.2026.54.70460