from...http://www.sciencedaily.com/releases/2009/04/090420151240.htm Just goes to show the 'War on Drugs' is really a War on Consciousness.
so? of course the body makes related hormones, if it didnt there would be no sites for the marijuana to bind to. After all, why make sites for a thing which isnt in your body? I mean look at morphine and heroin, why do they work? because they are similar to compounds that the body naturally produces as a way to moderate the pain responce