The association between health conditions and cannabis use in patients with opioid use disorder receiving methadone maintenance treatment

Abstract Background: Cannabis is the most commonly used substance among patients in methadone maintenance treatment (MMT) for opioid use disorder. Current treatment programmes neither screen nor manage cannabis use. The recent legalisation of cannabis in Canada incites consideration into how this may affect the current opioid crisis. Aims: Investigate the health status of cannabis users in MMT. Method: Patients were recruited from addiction clinics in Ontario, Canada. Regression analyses were used to assess the association between adverse health conditions and