UCSF professor Robert Lustig became an Internet video sensation when he spoke out about the evils of sugar in a post that went viral on YouTube. He was also recently featured in a New York Times Magazine cover story, "Is Sugar Toxic?" Lustig joins us in the studio to discuss sugar's role in diabetes, obesity and related diseases.
- More: Watch "Sugar: The Bitter Truth" - at YouTube.com
- More: Read "Is Sugar Toxic?" - at NYTimes.com