Canada

Canada is known for having some of the best healthcare systems in the world, which is frequently used to disparage the United States' overpriced system. Doctors from Canada have also made significant contributions to the world of medicine. Frederick Banting is perhaps the most well-known.

Banting is credited with co-discovering insulin, a peptide hormone that has been linked to diabetes. In 1923, Banting and Scotsman John Macleod shared the Nobel Prize in Medicine. He is still the youngest person to receive the honor. Roberta Bondar, a Canadian, is a well-known space medicine researcher. She was the first female astronaut from Canada and the first neurologist to travel to space. She is well-known for her contributions to the field of space medicine research.