Nat Rev Endocrinol. 2024 Nov 4. doi: 10.1038/s41574-024-01045-0. Online ahead of print. ABSTRACT The goal of the TEDDY (The Environmental Determinants of Diabetes in the Young) study is to elucidate factors leading to the initiation of islet autoimmunity (first primary outcome) and those related to progression to type 1 diabetes…