1) Has anyone done a study to detect the bio-availability of cannabidiol (CBD) and tetrahydrocannabinol (THC) from different delivery systems and formulations (i.e. smoked, intravenous, transdermal, etc.) in animals or humans?

2) What are the metabolites of CBD?

3) If we can see metabolite and we can see the active, can we see at what point the body won't process it? 

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