Imagine that both substances were undiscovered until today. How would we think about their relative risks?
Download or use Stitcher to listen to Freakonomics Radio series on your iPhone, iPad, or Android device and over 20,000 talk radio shows and podcasts on demand.Available on the App Store Google Play
Discover shows similar to this one. Browse Stitcher's library of over 20,000 talk radio shows and podcasts. Listen to Stitcher on your iPhone, iPad or Android.Listen on the Web