COLORADO SPRINGS, Colo.--(BUSINESS WIRE)--Cannabis Science, Inc. (OTCBB:CBIS) a pioneering U.S. biotech company developing pharmaceutical cannabis (marijuana) products, is pleased to announce that Dr. Melamede was featured on NBC Channel 12 News in Arizona yesterday, March 29th, answering medical questions and discussing the new documentary “Chronic Future - Killing Cancer”, which will premier on April 5th, 2012, at the Harkins Theater on Shea and Scottsdale Road in Scottsdale.