Quote Originally Posted by abachler View Post
For those interested, he is refering to the CB-1 and CB-2 receptor sites, which selectively bind with various cannabinoids. While technically more than one molecule binds with these receptors, all such compounds are cannabinoids which are found exclusively in cannabis and the human body (endocannabinoids).

http://en.wikipedia.org/wiki/Cannabinoid_receptor
Thanks. I was searching for it actually.