Age-Related Patterns of Relative Energy Deficiency in Sport (REDs) Symptoms and Key Performance Factors in Adolescent Biathletes.
Relative Energy Deficiency in Sport (REDs) impairs health and performance, but age-related patterns in its emergence remain unclear. This study examines RED symptoms in adolescent biathletes at season-start and their link to end-of-season performance. A national cross-sectional study including prospective performance r...