Social Media Exposure and Muscle Dysmorphia Risk in Young German Athletes: A Cross-Sectional Survey with Machine-Learning Insights Using the MDDI-1. - Fueth M; Schmidt SV; Reinkemeier F; Drysch M; Steubing Y; Bausen S; Puscz F; Lehnhardt M; Wallner C (Healthcare (Basel, Switzerland), 2025)