Diabetes mellitus (DM), commonly called diabetes, is a group of metabolic diseases where there are high blood glucose over a extended period. Symptoms of high blood sugar include frequent urination, elevated thirst, and elevated hunger. If left untreated, diabetes could potentially cause many complications. Serious long-term complications include heart disease, stroke, kidney failing, foot ulcers and injury to the eyes. Diabetes is caused by either the pancreas definitely not producing enough insulin or even the cells on the body not responding properly towards the insulin produced.