Can this man successfully treat opioid addiction with marijuana?

A controversial new treatment facility in Los Angeles wants to find out if cannabis can help keep opioids from claiming more lives to addiction

When Joe Schrank got the call six years ago that his friend Greg Giraldo had been found unconscious after an overdose in a New Jersey hotel room, he was not surprised. Giraldo, a comedian, had cycled through the addiction loop for years, and Schrank had tried in vain to save him.