Diabetes Care. 2023 May 1;46(5):1014-1018. doi: 10.2337/dc22-1359. ABSTRACT OBJECTIVE: To examine whether iron intake and genetically determined iron overload interact in predisposing to the development of childhood islet autoimmunity (IA) and type 1 diabetes (T1D). RESEARCH DESIGN AND METHODS: In The Environmental Determinants of Diabetes in the Young (TEDDY) study,…