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“Who can turn the world on with her smile?” So began the theme song for the popular The Mary Tyler Moore Show, which aired on the CBS television network from 1970 to 1977. With the passing of Mary Tyler Moore, the show’s star, on 25 January 2017, the diabetes community lost an individual who for decades not only brought smiles to her audiences, but also changed the world for people living with diabetes, researchers seeking its cure, and health care providers for those with the disease.