A clinical trial examining medical marijuana for treatment of post-traumatic stress disorder is underway in British Columbia, where marijuana, produced legally or otherwise, is estimated to contribute as much to the provincial economy as agriculture and forestry.
Using vaporizers, 40 volunteers with PTSD, two-thirds of them military or police veterans, will try various strains of marijuana (or a placebo) and report the effect on such symptoms as flashbacks, sleep problems, anger and anxiety.
The research will be conducted by University of British Columbia psychology and medical researchers at its Okanagan campus.
Tilray, one of 16 authorized Health Canada marijuana producers, has indicated it will cover the $350,000 in costs—and supply the various strains of marijuana. The company...