New study links marijuana use to increased risk of opioid use disorder

broadening the use of marijuana is unlikely to help reverse the national epidemic in opioid-related morbidity and mortality.”

These new data line up with previous findings that show marijuana users are more probable than non-users to consume other substances and develop drug-related health issues.

“Despite the link between marijuana and opioid use, we cannot exclude the possibility that for some individuals who are dependent on opioids, cannabinoids lessen their craving for opioids,” Olfson said. “Overall, however, for adults who use opioids for nonmedical purposes smoking marijuana tends to increase rather than decrease their opioid use.”