How an IDEAS episode on traffic changed a doctor's practice

<p>Not many people like to think about traffic but Joanna Oda says this very topic on&nbsp;<em>IDEAS</em> in 2005 permanently changed the way she views medical care as a doctor. "It helped me understand how things that make sense for you as an individual contribute to a collective problem." She adds, the episode introduced her to the idea that one car has a big impact.</p><p><br></p><p>This episode is the first episode in our special week-long series to mark our 60th anniversary. It originally aired on Dec. 1, 2025.</p><p><em> </em></p><p>Listen to other episodes in this series:</p><p><br></p><p><a href="https://link.mgln.ai/V1tEat" rel="noopener noreferrer" target="_blank"><strong>The time when a guest said, "I love you!"</strong></a></p><p><a href="https://link.mgln.ai/C8wGds" rel="noopener noreferrer" target="_blank"><strong>CBC Massey Lecturers reveal how the talks changed them</strong></a></p><p><a href="https://link.mgln.ai/LS1eR7" rel="noopener noreferrer" target="_blank"><s...