Type 2 diabetes occurs when not enough insulin is produced by the body for it to function properly, or when the body’s cells do not react to insulin. This is called insulin resistance.Type 2 diabetes is far more common than type 1 diabetes, which occurs when the body does not produce any insulin at all. Around 90% of all adults in the UK with diabetes have type 2 diabetes.If you have type 2 diabetes, you may be able to control your symptoms simply by eating a healthy diet and monitoring your blood glucose level. However, as type 2 diabetes is a progressive condition, you may eventually need to take insulin medication, usually in the form of tablets.
Definition from NHS Choices: Type 2 diabetes
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