The Canadian Diabetes Association (CDA) is a registered national charity that helps the 11 million Canadians living with diabetes or prediabetes. Its mission is to lead the fight against diabetes by helping those affected by diabetes to live healthy lives, preventing the onset and consequences of diabetes, and discovering a cure. In the ongoing fight against diabetes, heres how the CDA helps: In 1920, Sir Frederick Banting was working as a medical practitioner based in London, Ontario, when he first conceived the idea of extracting insulin from a pancreas to treat diabetes. After several months of experimentation, and with the assistance of Dr. Charles Best, insulin was eventually purified for human use. The first successful test on a human patient with diabetes occurred on January 23, 1922. The death sentence for diabetes sufferers around the world had finally been lifted. With new hope at hand, Dr. Best realized that the growing numbers of Canadians with diabetes were going to require an organization to serve their needs. In the late 1940s, the Diabetic Association of Ontario was formed. As other provinces and territories started to form their own associations, it became clear that if the provincial branches combined their resources they could more effectively serve their membership. This culminated in the formation of the Canadian Diabetes Association in 1953.