Why do people get diabetes?

 

In a person with diabetes, there is a problem with an insufficient amount of insulin in the blood or with an inability of insulin to allow glucose to enter cells. In a person with no insulin, the beta cells in the pancreas do not produce enough insulin. In a person with defective insulin, the insulin may still be released by the pancreas into the blood stream, but there is a defect when it binds to the organ cells. This defect will not allow the gates to open. If the gates are not opened by the insulin, the glucose will not be able to flow into the cells. The glucose builds up in the blood stream. This in turn leads to hyperglycemia. Hyperglycemia in diabetic patients can lead to complications such as kidney failure, blindness, and heart disease.

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