Diabetes mellitus
Diabetes mellitus is a chronic metabolic disorder characterised by elevated blood glucose levels, resulting from the body's inability to effectively produce or utilise insulin, a hormone that regulates blood sugar. Diabetes is a group of metabolic diseases characterised by hyperglycaemia resulting from defects in insulin secretion, insulin action, or both.
Unit 1,
Reference: Diabetes Care. 2011 Jan; 34(Suppl 1): S62–S69.