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Insulin is produced by special cells in the pancreas, a large organ located behind the stomach. Insulin helps the body use or store glucose (sugar), which is produced during the digestion of food. Insulin is secreted into the blood at each meal and allows the body to use glucose as energy to fuel basic daily functions like moving and breathing. Insulin also enables the body to store extra glucose as fat. The May 7, 2003, issue of JAMA includes 2 articles about insulin therapy for patients with diabetes.

DIABETES

If there is not enough insulin or if the body cannot use the insulin produced, individuals develop a condition known as diabetes. Blood glucose levels can become high. If the body is unable to use glucose, it starts breaking down fats for energy. This produces waste products called ketones. High levels of ketones cause a dangerous condition called ketoacidocis . . . [Full Text of this Article]

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