Glucose levels refer to the amount of sugar, or glucose, present in the blood. Glucose is a vital source of energy for our bodies, and maintaining balanced levels is crucial for overall health. When we eat, our bodies break down carbohydrates into glucose, which then enters the bloodstream. High or low glucose levels can lead to health issues. For instance, diabetes is a condition where the body struggles to regulate glucose levels, causing them to become too high. Regular monitoring of glucose levels helps individuals manage their health and prevent complications related to insulin and blood sugar imbalances.