Medical marijuana research comes out of the shadows

Aired: 7/13/2016 | 0:08:53 | Clip
It was an unprecedented meeting of the minds and it happened at Harvard Medical School. The subject of April’s confab? Medical cannabis. Researchers suspect cannabis can do so many things, from fighting cancer to easing concussions and Crohn’s disease. There are still tight restrictions but weed is increasingly coming into the scientific mainstream. Science correspondent Miles O’Brien reports.

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