This Is Your Body On Weed (Medical Research DWLLC CNN)

Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.
This Is Your Body On Weed (Medical Research DWLLC CNN)

Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.
This Is Your Body On Weed (Medical Research DWLLC CNN)

Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.
This Is Your Body On Weed (Medical Research DWLLC CNN)

Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.
This Is Your Body On Weed (Medical Research DWLLC CNN)

Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.
This Is Your Body On Weed (Medical Research DWLLC CNN)

Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.
This Is Your Body On Weed (Medical Research DWLLC CNN)

Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.