The document discusses diabetes, including the different types of diabetes, risk factors, complications, and findings from major clinical trials on diabetes control and treatment. It summarizes results from studies like the Diabetes Control and Complications Trial (DCCT) and United Kingdom Prospective Diabetes Study (UKPDS) which showed that intensive glucose control can reduce diabetes complications. More recent trials found benefits but also risks of intensive control, depending on individual patient factors. The National Diabetes Education Program (NDEP) provides public education materials on diabetes control and management.