Diabetes is a long-life disease marked by elevated levels of sugar in the blood. It can be caused by too little insulin (a chemical produced by the pancreas to regulate blood sugar), resistance to insulin, or both. There are three major types of diabetes:
Type 1 diabetes: is usually diagnosed in childhood. The body makes little or no insulin, and daily injections of insulin are required to sustain life. Without proper daily management, medical emergencies can arise.