Diabetes, correctly called diabetes mellitus, is a disorder of carbohydrate metabolism.

In Type 1 diabetes, the pancreas is no longer able to produce the hormone insulin. Insulin is produced by the beta cells of the pancreas; it is secreted in response to an increased concentration of glucose in the blood, and is vital in controlling blood glucose levels.

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A person with diabetes cannot control their blood glucose and they become hyperglycaemic – meaning that they have abnormally high levels of glucose in the blood.

Read more:
Diagnosis and treatment
Diabetes and diet - the basics
Insulin resistance and diabetes

 

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