November 14 is World Diabetes Day (WDD). WDD was established by the International Diabetes Federation and the World Health Organization to raise awareness about a serious health risk posed by diabetes. The date of November 14 was chosen because of the birthday of Sir Frederick Banting. He co-discovered insulin and, together with John Macleod, was awarded the Nobel Prize in Physiology or Medicine in 1923. Insulin, which is the primary treatment for type-1 diabetes and used for type-2 and gestational diabetes, has saved many lives.