What is Diabetes? 个 American diabetes association(ADA).1997 Diabetes is a group of metabolic diseases characterized by hyperglycaemia ( resulting from defects in insulin secretion(胰岛素缺乏)，resistance to insulin action( 胰岛素抵抗)or a combination of both. The chronic diabetic hyperglyceamia is associated with long-term damage,dysfunction and failure of various organs. Diabetes is a group of metabolic diseases characterized by hyperglycaemia （高血糖） resulting from defects in insulin secretion（胰岛素缺乏）, resistance to insulin action（ 胰岛素抵抗） or a combination of both. What is Diabetes? The chronic diabetic hyperglyceamia is associated with long-term damage, dysfunction and failure of various organs. American diabetes association (ADA) . 1997