 This was debated for decades by other endocrinologists and scientists, and the American Diabetes Association was divided on this subject from its inception.The opposing point of view, led by Dr. Edward Tolstoi, held that tight control had little long term effect, but a profound effect on lifestyle.Joslin's tight control approach wasn’t validated until 30 years after his death, when in 1993, a 10-year study, the Diabetes Control and Complications Trial Report was published in the "New England Journal of Medicine".