Which disease is primarily associated with insulin and glucose metabolism?

• A. Diabetes
• B. Epilepsy
• C. Celiac disease
• D. Psoriasis

Answer: (A)

Insulin’s job is to help body cells take in glucose from the bloodstream, fueling cellular work and maintaining stable blood sugar levels. Diseases tied to insulin and glucose metabolism arise when insulin production is inadequate or the body's tissues don’t respond to insulin properly, causing high blood glucose and disruption of energy use. Diabetes fits this pattern because it involves either a lack of insulin (type 1) or insulin resistance (type 2), leading to elevated glucose in the blood and a range of metabolic issues. Other options relate to different body systems: epilepsy centers on brain electrical activity and seizures, celiac disease on an autoimmune reaction to gluten in the gut, and psoriasis on autoimmune inflammation of the skin. So, the disease most closely linked to insulin and glucose metabolism is diabetes.