CNN Weed 2 Cannabis Madness Dr. Sanjay Gupta April 18, 2015 23:39:00
And that's why what i'm about 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 purpose? >> exactly. >> mayo clinic researcher dr. boss wick is talking about u.s. patent number 6330507. it's held by the u.s. department of health and human services for the exclusive use of can aba noids for the use of certain treatments. >> i was stunned that the federal government is sitting on this ...
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