In which country did Macleod conduct his Nobel-prize winning work?
Scotland
England
Canada
United States
Answer
**Canada is where Macleod made his Nobel Prize breakthrough.** He was part of a team at the University of Toronto that discovered insulin, a hormone that regulates blood sugar levels. Their discovery in 1921 revolutionized the treatment of diabetes and saved countless lives.
Mastering the Marvels of John Macleod: The Scottish Nobel Laureate's Legacy in Physiology