Dr Sanjay Gupta Why I changed my mind on Weed

Dr  Sanjay Gupta   Why I changed my mind on Weed
Dr. Sanjay Gupta MD is a Neurosurgeon and Assistant Professor of Neurosurgery at Emory University School of Medicine, Associate Chief of Neurosurgery Service at Grady Memorial Hospital in Georgia, and Chief Medical Correspondent for the Health, Medical & Well for CNN