"...no consensus among studies that cannabis use is associated with reduced opioid use or longer treatment retention when used during methadone maintenance therapy"
https://pubmed.ncbi.nlm.nih.gov/31744904/
"...no consensus among studies that cannabis use is associated with reduced opioid use or longer treatment retention when used during methadone maintenance therapy"
https://pubmed.ncbi.nlm.nih.gov/31744904/