State Medical Marijuana Laws and the Prevalence of Opioids Detected Among Fatally Injured Drivers
To assess the association between medical marijuana laws (MMLs) and the odds of a positive opioid test, an indicator for prior use. Operational Medical Marijuana Laws are associated with reductions in opioid positivity among 21- to 40-year-old fatally injured drivers and may reduce opioid use and overdose.