Over 40 Percent of Drivers with Past-year Alcohol and Cannabis Use Report DUI | Columbia …

In a new study, researchers atĀ Columbia University Mailman School of Public Health find that two in five drivers who reportĀ using alcohol and cannabis in the past year drove under the influence of alcohol, cannabis, or both. Earlier research suggested that simultaneous alcohol and cannabis use increases driving impairment, leading to an uptick in the risk […]