Approximately 26 million Americans have diabetes, a disease that affects your body's ability to produce and use insulin. Insulin is a hormone made in the pancreas, which allows glucose (sugar) from the food eaten to get into the body's cells. Here, the glucose is used for energy. With diabetes, your body either does not make enough insulin or it cannot use the insulin it produces very well, and as a result, glucose builds up in the blood. This is what is known as 'high blood sugar.'