NICOLLE R. FULLER / SCIENCE PHOTO LIBRARY NICOLLE R. FULLER / SCIENCE PHOTO LIBRARY
Diabetic patient blood test. Illustration of a patient being shown by a medical professional how to test her blood sugar using a digital finger prick tester. Diabetics have to measure their blood glucose levels regularly. 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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