Diabetes, Hemochromatosis And Progeria Essay

1922 Words Sep 3rd, 2014 8 Pages
Without disease, we would not be as evolved as we are today. Throughout evolution’s progress, humankind have encountered many devastating or life-altering diseases. In 2007, Dr. Sharon Moalem published Survival of the Sickest in which he explored the theory that certain diseases actually helped us as a species in the long run. Using eight case studies, Dr. Moalem set forth the benefits of disease and their contribution to new medical research. Three of these case studies are selected here: diabetes, hemochromatosis and progeria.
In a healthy body, carbohydrates are broken down into glucose which is necessary to survive. Glucose is blood sugar and is used in more than one way throughout the body, for example providing fuel for the brain, providing energy for the body and is essential to create proteins. The pancreas creates a hormone, insulin, which helps the body store glucose - when it is not being used - in the liver, muscles and fat cells, ready to be turned into energy as the body needs it. When somebody’s supply of insulin doesn’t have the ability to store glucose, it means that they have diabetes. Because storing is no longer an option, glucose remains in the blood system, building up to severely high levels.
Diabetes is all linked back to sugar. The full name, diabetes mellitus, means ‘passing through honey sweet.’ So the fact that diabetic people have sugary, sweeter urine is no surprise. One of the first signs of diabetes is the need to frequently urinate large…

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