what are some diseases caused diabetes
Diabetes mellitus (DM), commonly referred to as diabetes, is a group of metabolic diseases in which there are high blood sugar levels over a prolonged period. Symptoms of high blood sugar include frequent urination, increased thirst, and increased hunger. If left untreated, diabetes can cause many complications. This form was previously referred to as insulin-dependent diabetes mellitus (IDDM) or juvenile diabetes. 2  The cause is unknown. 3  Type 2 DM begins with insulin resistance, a condition in which cells fail to respond to insulin properly. 4  As the disease progresses a lack of insulin may also develop.