Diabetes mellitus refers to a group of diseases that affect how your body uses blood glucose, commonly called blood sugar.Glucose is vital to your health because it's an important source of energy for the cells that make up your muscles and tissues. It's also your brain's main source fuel.
causes : human cells normally contain 23 pairs of chromosomes. One chromosome in each pair comes from your father, the other from your mother.
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if you have diabetes, no matter what type, it means you have too much glucose in your blood, although the reason may differ. too much glucose can lead to serious health problems.