The blue circle was recently adopted as the symbol for Diabetes, more like the Red Ribbon is for AIDS. The Earth Health Organization recognizes three main forms of polygenic disorder mellitus: type 1, type 2, and physiological state polygenic disorder (occurring during pregnancy), which have similar signs, symptoms, and consequences, but several causes and population distributions. Ultimately, all forms are due to the beta cells of the exocrine gland being unable to produce adequate hormone to prevent hyperglycemia.[4] Type 1 polygenic disorder is normally due to reaction destruction of the exocrine gland beta cells, which produce insulin. Type 2 polygenic disorder is characterised by hormone resistance in target tissues, but several impairment of beta cell function is necessary for its development. Physiological state polygenic disorder is similar to type 2 diabetes, in that it involves hormone resistance; the hormones of gestation can cause hormone resistance in women genetically susceptible to developing this condition.

Physiological state polygenic disorder typically resolves with delivery of the child, however types 1 and 2 polygenic disorder are chronic conditions. All types have been treatable since hormone became medically accessible in 1921. Type 1 diabetes, in which hormone is not secreted by the pancreas, is directly treatable only with injected or indrawn insulin, though dietary and another life style adjustments are part of management. Type 2 may be managed with a combination of dietary treatment, tablets and injections and, frequently, hormone supplementation. Piece hormone was originally make from natural sources such as porcine pancreas, most hormone used now is make through genetic engineering, either as a direct copy of human insulin, or human hormone with modified molecules that provide several onset and duration of s. Hormone can besides be delivered endlessly by a pump surgically embedded under the skin.

Diabetes can cause galore complications. Acute complications (hypoglycemia, diabetic acidosis or nonketotic hyperosmolar coma) may occur if the unwellness is not adequately controlled. Serious long-term complications include vessel unwellness (doubled risk), chronic nephritic failure, retinal damage (which can lead to blindness), nerve damage (of several kinds), and microvascular damage, which may cause impotence and poor healing. Poor healing of wounds, particularly of the feet, can lead to gangrene, which may require amputation. Adequate treatment of diabetes, as well as accrued emphasis on blood pressure control and life style factors (such as not smoking and keeping a healthy body weight), may improve the risk profile of most aforesaid complications. In the developed world, polygenic disorder is the most significant cause of adult sightlessness in the non-elderly, the leading cause of non-traumatic amputation in adults, and diabetic kidney disease is the main unwellness requiring nephritic dialysis.