Why does weed make you hungry, happy, and forgetful—all at the same time? We're digging into the way THC impacts our bodies and brains.

0:00 Intro
0:11 CDB versus THC
0:46 How THC gets you high
1:20 Human history of weed use
2:08 America's history with weed
2:51 Early science studies of THC
3:06 Risks/benefits of THC
3:35 Why the science of THC is so behind
3:57 Science is about to learn a lot more about THC