Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.
원문출처 : http://www.cnn.com/videos/health/2014/03/10/orig-brain-on-weed-sanjay-jr-jt.cnn
원문출처 : http://www.cnn.com/videos/health/2014/03/10/orig-brain-on-weed-sanjay-jr-jt.cnn