COLORADO SPRINGS, Colo.--(BUSINESS WIRE)--Cannabis Science Inc. (OTCBB:CBIS) announced today the presentation on the effects of phytocannabinoid inhibition on HIV TAT at the World AIDS Institute Treatment Horizons Satellite Symposium during AIDS 2012 in Washington DC on July 24th. Dr. Robert Melamede presented to an audience of researchers, physicians, HIV patients and activists during the biennial conference sponsored by the International AIDS Society.