Ak Nursing Academy on Instagram: "Blood sugar (glucose) is your body's main energy source, derived from food, carried in the blood, and managed by the hormone insulin from the pancreas to fuel cells. Levels that are too high (hyperglycemia) or too low (hypoglycemia) can signal issues like diabetes, where the body doesn't produce or use insulin effectively, causing excess sugar to build up, leading to serious health complications over time. Monitoring blood sugar levels through tests, diet (whole