Phil Zeitler, MD, PhD, has been treating kids with type 2 diabetes for more than 20 years. He and a team of researchers published a paper in the TODAY2 Study in the New England Journal of Medicine on the long-term complications of type 2 diabetes. (TODAY stands for Treatment Options for type 2 Diabetes in Adolescents and Youth). The first phase of the study took place from 2004 -- 2011; phase two from 2011 -- 2020. Both studies involved more than 550 participants from across the country.