Zoomer Week In Review

June 28 2025 - When the Heat Hits Home and Trailblazing Surgeon Sees Stars This week’s punishing heat dome hospitalized scores of people and highlighted the realities of heat illness, which McGill University cardiologist Dr. Christopher Labos says can creep up on you, and needs to be taken seriously. And Libby Znaimer had a conversation with legendary cardiac surgeon Dr. Tirone David, who was just inducted into Canada's Walk of Fame.