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 we are in final negotiations to purchase 50% of a 10,000 square foot Cancer Centre in Arizona. This Cancer Centre already has 500 existing patients with new patients inquiring daily, from around the world, looking for cannabis-based treatments for numerous critical ailments.
