What is the term for the condition where the body's ability to regulate its glucose levels is impaired, resulting in high blood sugar levels?

A Hyperglycemia
B Hypoglycemia
C Diabetes mellitus
D Insulin resistance
Diabetes mellitus is a metabolic disorder characterized by high blood sugar levels due to impaired insulin secretion or insulin resistance.
WHO guidelines on diabetes
Metabolic and Nutritional Disorders Endocrinology Diabetes Mellitus Easy MEDICAL Confidence: high