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

Not many people like to think about traffic but Joanna Oda says this very topic on IDEAS 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. This episode is the first episode in our special week-long series to mark our 60th anniversary. It originally aired on Dec. 1, 2025. Listen to other episodes in t...