Diabetes care
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Multicenter Study
Association of type 1 diabetes with month of birth among U.S. youth: The SEARCH for Diabetes in Youth Study.
Seasonal environment at birth may influence diabetes incidence in later life. We sought evidence for this effect in a large sample of diabetic youth residing in the U.S. ⋯ Spring births were associated with increased likelihood of type 1 diabetes but possibly not in all U.S. regions. Causal mechanisms may involve factors dependent on geographic latitude such as solar irradiance, but it is unknown whether they influence prenatal or early postnatal development.