Dr. Sanjay Gupta: Why I Changed My Mind On Weed

A doctor undertakes to study the issue.       Over the last year, I have been working on a new documentary called "Weed." The title "Weed" may sound cavalier, but the content is not. I traveled around the world to interview medical leaders, experts, growers and patients. I spoke candidly to them, asking tough questions. What I found was stunning.    ... MORE