7 medical benefits of marijuana

Medical marijuana has been legalized in 23 states, including the District of Columbia and Guam. Researchers have shown many of its benefits, yet federal law still prohibits it as a medical treatment.

Original reporting by Kevin Loria. Jennifer Welsh contributed to an earlier version of this video.

Join the conversation about this story »

Contributer : Tech Insider http://ift.tt/1VHHibN

Something that you might miss to see?