Columbia University Medical Center
NewYork-Presbyterian Hospital The University Hospital of Columbia and Cornell
Gone to Pot: Is Marijuana Addictive?
January 8, 2014 - January 9, 2014

Dr. Drew and Carl Hart, Columbia University psychology professor and author of "High Price", debate whether pot is a gateway drug.

For more: http://ac360.blogs.cnn.com/2014/01/08/gone-to-pot-is-marijuana-addictive/?iref=allsearch

 

hora interior