In 2013, Dr. Sanjay Gupta, chief neurosurgeon and CNN’s award-winning medical correspondent, did a documentary series on cannabis for network. In his series of special reports, entitled WEED, Dr. Gupta investigated the ins and outs of cannabis use and dug deep into the culture of marijuana.
Gupta used to be against legalizing cannabis, but had a shift of opinion after doing a lot of research and looking into scientific literature.
Here’s a consolidated video of parts 1, 2, 3, and 4 of Weed. Video credit: Hawaii 808 Gaming