Weight loss with GLP-1 medicines does not result in a disproportionate loss of muscle mass or function in obese mice and humans. - Langer HT; Gilmore NK; Hayden CMT; Roux J; Bariohay B; Rouquet T; Awada M; Marcotorchino J; Bournot L; Nunn E; Titchenell PM; Liskiewicz D; et al. (Cell reports. Medicine, 2026)