In pre-insulin days, diabetics had two alternatives: eat well and die tomorrow, or live on a starvation diet and die by inches. Then one day in 1920 Frederick Banting, a young research M.D. at the University of Toronto, wrote in his notebook: "Tie off pancreatic duct of dogs. Wait six to eight weeks. . . . Remove residue and extract." Months later, Banting and Charles Best, a medical student assisting him, announced the isolation of insulin, the sugar-controlling hormone of the pancreas that gives diabeticsĀpeople whose bodies cannot use up their sugar intakeĀa new...
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