The invention of the Insulin by Frederick Banting

On 30th July, 1921, Frederick Banting and medical student Charles H. Best discovered and injected the hormone insulin into a diabetic dog and found that it effectively lowered the dog’s blood glucose levels to normal.

The news of the successful treatment of diabetes with insulin rapidly spread outside of Toronto, and in 1923 the Nobel Committee decided to award Banting and Macleod the Nobel Prize in Physiology or Medicine.

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