"It's going to put fake science or unscientific claims into Colorado state laws," insisted Mason Tvert, spokesman for the Marijuana Policy Project. "These claims are utterly undocumented and fraught with errors,"
“The drop in teen use reflects the fact that state and local authorities have far more control over marijuana than ever before," Mason Tvert, the Marijuana Policy Project communication director, told U.S. News. “Our goal should not be increasing teens’ perception of risk surrounding marijuana. It should be increasing teens’ knowledge of the actual relative harms of marijuana, alcohol and other substances so that they can make smart decisions."