Canadians with Cystic Fibrosis live 10 years longer than Americans with Cystic Fibrosis. Why do you suppose that is?

Cystic fibrosis patients in Canada live a decade longer than those in U.S.: study /via @globeandmail https://t.co/0LQeqpYDES

— Vicious Babushka (@viciousbabushka) March 15, 2017