Name: What happens to the brain on marijuana
Uploaded: Sun May 06 2018 22:22:00 GMT+0000 (UTC)
Duration: 2 min 16 s
Description: It’s 4/20 - the unofficial "high holiday." The pleasant euphoria people feel when they smoke marijuana is all because of the main chemical produced in the cannabis plant: delta-9-tetrahydrocannabinol...or THC.

May 6, 201802:16

Our brain on marijuana