"We see cannabis not as a gateway drug. We see it as an exit path off opiates."

Ryan Miller describes the year after his leg amputation as the best year of his life. He worked out. He traveled. He tanned. He was done with opioids.

After an explosively formed projectile destroyed his leg and damaged his stomach in Iraq, Miller had been caught in a vicious cycle of surgery and prescribed painkillers.

The wounded Army infantry captain would have a surgery every few months, broken up by unsuccessful physical therapy. 

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Rick Morgan ~ CNBC.com ~