Type 2 diabetes mellitus has long been known to increase the risk of stroke, heart attack, kidney disease, and eye disease. In the US diabetes is the leading cause of kidney failure requiring dialysis and one of the leading causes of blindness. Diabetes is also increasing in prevalence as people become more overweight. A study in this week’s New England Journal of Medicine attempted to quantify the risk of premature death associated with diabetes. The results were dramatic, and attracted much m...