Is There Asymptomatic Diabetes?

Is There Asymptomatic Diabetes? Diabetes mellitus is a group of metabolic diseases characterized by hyperglycemia resulting from defects in insulin secretion, insulin action, or both. Type 2 diabetes, the most prevalent form of the disease, is often asymptomatic in its early stages and can remain undiagnosed for many years. What is asymptomatic type 2 diabetes?