What Are THC & CBD? | Marijuana
Watch more Marijuana Facts & Medical Marijuana videos: http://www.howcast.com/videos/506366-What-Are-THC-and-CBD-Marijuana So everyone knows THC, tetrahydrocannabinol. It was first discovered in 1964 in Raphael Mechoulam’s lab in Israel. And it was about the same time the Beetles were first being exposed to cannabis themselves and it was the 60s and so voila. This is the chemical that’s […] Read more
#Videos