The state health director will make the decision this week if the medical-marijuana program will be expanded to include anxiety, migraines, depression and post-traumatic stress disorder.
A recent University of Arizona study found little or no evidence that medical marijuana would be effective in treating those conditions.
Arizona Health Director Will Humble said there's not much research in this area to form policy decisions.
The owner of We Grow in Phoenix, the self-proclaimed "Walmart of Weed," agreed with Humble.
"The research is limited," said Sunny Singh. "I think you go in and do some new research and go from there."
Singh said he would like to see medical marijuana being allowed to treat PTSD.
"You see a lot of veterans who have PTSD come in here," he said. "[Marijuana] calms them down and provides some kind of relief for sure."
Humble said the medical-marijuana program would expand by about 15,000 people if he allows PTSD as a qualifying condition.
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