For the disease characterized by excretion of large amounts of severely diluted urine, see diabetes insipidus. For diabetes mellitus in pets, see diabetes in cats and dogs. Diabetes mellitus is a medical disorder characterized by persistent variable hyperglycemia (high blood sugar levels), resulting either from inadequate biosynthesis, secretion or action of the hormone insulin, an inadequate response by the body's cells to insulin, or a combination of these factors. The most common for ...
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