burn here is the pdf on the Hazekamp paper that was referenced in post 5143 for the rescheduling of marijuana from schedule 1 to schedule 2

http://www.stcm.ch/files/paper_hazekamp_2013.pdf

here is also what I found on the Igor Grant study from the same article in post 5143.

http://www.cmcr.ucsd.edu/images/pdfs/Reuters_062703.pdf