STEVE HORRELL / SCIENCE PHOTO LIBRARY STEVE HORRELL / SCIENCE PHOTO LIBRARY
Blood glucose test. Diabetic lancing their finger to test their blood glucose (sugar) level. 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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