Which disease is caused by the deficiency of insulin or the body's inability to utilize insulin effectively, leading to elevated blood glucose levels?

💡 Solution & Explanation

Diabetes mellitus is a metabolic endocrine condition marked by chronic high blood sugar levels caused by either inadequate insulin secretion from pancreatic beta cells or peripheral cellular resistance to insulin action. Diabetes insipidus is an entirely different water-balance disorder related to antidiuretic hormone dysfunction. Human endocrine disorders are frequently examined in general science questions.