AJ PHOTO / SCIENCE PHOTO LIBRARY AJ PHOTO / SCIENCE PHOTO LIBRARY
Blood glucose test. Close-up of a 78 year old woman using a glucometer to measure the amount of glucose in her blood. Diabetics have to perform this test regularly. The glucometer is showing a high reading, between 1 and 2 is normal, and so the women will need an insulin injection. Diabetes is a metabolic disorder in which unused sugars accumulate in the blood and urine. Monitoring of blood glucose levels allows diabetics to control the disease through diet, medication and in some cases insulin injections.
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