
Justin Trudeau @JustinTrudeau
The discovery of insulin in 1921 saved Leonard Thompson’s life - and it has saved millions of other lives in the years since. To celebrate 100 years of one of our country’s most significant medical breakthroughs, watch this new #HeritageMinute from @HistoricaCanada. #Insulin100 https://t.co/2SI4t3XTt0 — PolitiTweet.org