ARNO MASSEE / SCIENCE PHOTO LIBRARY ARNO MASSEE / SCIENCE PHOTO LIBRARY
Diabetes blood sugar test. Hands of a nurse using a testing device on blood from the finger of an elderly female diabetic patient being cared for at home. The device measures the levels of the sugar glucose in the blood. Diabetes mellitus affects glucose sugar metabolism. Blood sugar is not oxidised due to a lack of the pancreatic hormone insulin. Treatment is based on a strict diet and insulin injections to maintain the blood-sugar balance.
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