Today is World Diabetes Day, an important reminder that diabetes is the leading cause of kidney disease. About 1 out of 3 adults with diabetes has kidney disease. The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) explains that diabetes is a disease that occurs when blood glucose, also called blood sugar, is too high. Diabetes can cause damage to the eyes, kidneys, heart, and nerves. It is linked to an increased risk of stroke and some types of cance