In this Feb. 7, 2014 photo, a worker cultivates a special strain of medical marijuana known as Charlotte's Web inside a greenhouse, in a remote spot in the mountains west of Colorado Springs, Colo.
In this Feb. 7, 2014 photo, a worker cultivates a special strain of medical marijuana known as Charlotte's Web inside a greenhouse, in a remote spot in the mountains west of Colorado Springs, Colo. Brennan Linsley AP
In this Feb. 7, 2014 photo, a worker cultivates a special strain of medical marijuana known as Charlotte's Web inside a greenhouse, in a remote spot in the mountains west of Colorado Springs, Colo. Brennan Linsley AP

Marijuana that benefits cancer and epilepsy patients still a long way off

February 05, 2015 09:59 PM

UPDATED February 07, 2015 05:28 PM

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