What is Diabetes?

What is Diabetes?
National Diabetes Education Program

What is diabetes?

Diabetes means that your blood glucose (GLOO-kos), also called blood sugar, is too high. Glucose comes from the food you eat and is needed to fuel our bodies. Glucose is also stored in our liver and muscles. Your blood always has some glucose in it because your body needs glucose for energy. But having too much glucose in your blood is not healthy.

An organ called the pancreas (PAN-kree-as) makes insulin (IN-suh-lin). Insulin helps glucose get from your blood into your cells. Cells take the glucose and turn it into energy.

If you have diabetes, the pancreas makes little or no insulin or your cells cannot use insulin very well. Glucose builds up in your blood and cannot get into your cells. If your blood glucose stays too high, it can damage many parts of the body such as the heart, eyes, kidneys, and nerves.

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