A new scientific review is challenging the idea that there’s a marijuana “hangover” effect the day after use, raising questions about policies that punish drivers and people in safety-sensitive positions for cannabis consumption that occurs weeks prior to drug tests being administered. Researchers at the University of Sydney reviewed 20 studies that looked at the … Continue reading Marijuana Isn’t Associated With ‘Hangover’ Effects, Raising Questions About Driving And Employment Policies, Study Finds