SD | JHM
“Our findings indicate that co-use of cannabis and alcohol produces significantly greater driving impairment and subjective intoxication than either substance alone,” says the study’s lead author, Austin Zamarripa, Ph.D., Assistant Professor of Psychiatry and Behavioral Sciences at the Johns Hopkins University School of Medicine. “Importantly, these findings suggest that the interaction between cannabis edibles and alcohol is not merely additive, but may be synergistic in producing impairment, which has important implications for real-world risk.”