Jason Roberts, head of cultivation at Loving Kindness Farms checks one of his marijuana plants in a grow room wearing green lights not to wake them wake them during their night cycle in Gardena, California, on May 20. A new study shoots down the notion that medical marijuana laws can prevent opioid overdose deaths. Chelsea Shover of Stanford University School of Medicine and colleagues reported the findings Monday, June 10, in Proceedings of the National Academy of Sciences. (AP Photo/Richard Vogel, File)

Jason Roberts, head of cultivation at Loving Kindness Farms checks one of his marijuana plants in a grow room wearing green lights not to wake them wake them during their night cycle in Gardena, California, on May 20. A new study shoots down the notion that medical marijuana laws can prevent opioid overdose deaths. Chelsea Shover of Stanford University School of Medicine and colleagues reported the findings Monday, June 10, in Proceedings of the National Academy of Sciences. (AP Photo/Richard Vogel, File)

Medical pot laws no answer for U.S. opioid deaths, study finds

Legalizing medical marijuana “is not going to be a solution to the opioid overdose crisis.”

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