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Bernard is the first person to make the link between diabetes and glycogen metabolism.
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Langerhans discovered the cells in the pancreas that produce the hormone insulin.
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Boucherdat discovered that his patients had no sugar in their urine during the food rationing in Paris, and then created individual diets.
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Frederick Banting discovers that the pancreas' digestive juice was what was killing the islets of Langerhans hormone before it could be isolated.
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This injection lowered his blood sugar and cleared his urine of sugars and other signs of disease.
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Eli Lilly began to produce and sell insulin commercially. They made many changes to the production process, making it more effective over the years,
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Rachmiel Levine discovers that insulin works as a key, transporting glucose into cells.
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Becton Dickinson began the production of a standardized insulin syringe, which was approved by the American Diabetes Association.
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Sulfonylureas, oral medications that stimulate the pancreas to release more insulin, became available.
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Solomon Berson and Rosalyn Yalow found that insulin was still present in the blood of some diabetics, while it was absent in others.
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In 1970, the first insulin pumps were created, allowing patients to live more flexible and convenient lives.
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Insulin receptors were discovered on cell membranes. This allowed scientists to better understand type 2 diabetes.
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The first Insulin Pen was commercialized, giving diabetics a small device to inject themselves with insulin.
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External insulin pumps were created to allow closer control and freedom from multiple injections. They were improved throughout the years to become much more effective, useful, and less annoying.
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Exenatide (Byetta) is approved in the United States as a first-in-class drug to treat type 2 diabetes. It increases insulin production to m,atch glucose levels.
