MARK THOMAS / SCIENCE PHOTO LIBRARY MARK THOMAS / SCIENCE PHOTO LIBRARY
Diabetic patient. Hospital assistant and nurse showing a diabetic patient how to use a blood glucose meter. A blood glucose meter is used to test the sugar levels (glucose) in the patient's blood. Diabetes is a metabolic disorder in which unused sugars (such as glucose) accumulate in the blood and urine. Monitoring of blood glucose levels allows diabetics to control the disease through diet or medication such as insulin injections. Some diabetic patients suffer from Type 2 Diabetes, which is characterised by a resistence to insulin and requires medication that increases insulin levels.
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