Cannabis Use and Nonfatal Opioid Overdose.

Results: Of 446 participants, 35% (n = 156) reported frequent cannabis use and 7% (n = 32) reported nonfatal opioid overdose in the past year.

"Among individuals enrolled in Methadone Maintenance Treatment, frequent cannabis use in the past month was associated with fewer self-reported nonfatal opioid overdoses in the past year."

Cannabis Use and Nonfatal Opioid Overdose among Patients Enrolled in Methadone Maintenance Treatment - PubMed
Among individuals enrolled in MMT, frequent cannabis use in the past month was associated with fewer self-reported nonfatal opioid overdoses in the past year. Methodological limitations caution against causal interpretation of this relationship. Additional studies are needed to understand the prospe…