CNN Weed 2 Cannabis Madness Dr. Sanjay Gupta Reports March 12, 2014 03:39:00
That means it's considered to be among the most addictive drugs and not recognized as having any medicinal benefit. that's why one i'm ant to tell you is so ironic. >> the irony is that the federal government has patented one of the important chemicals in the plant. >> the government of the united states has a patent on a substance for medicinal purposes at the same time they say it has no medicinal purposes? >> exactly. >> researcher dr. michael bostwick is talking about patent number 6630507, held by the u.s. depth of health and human services for the exclusive use of cannabinoids for the us...