Hall, the lead author, is a professor at the Centre for Youth Substance Abuse Research at the University of Queensland, Australia, and is an expert on marijuana and other drug use issues. Kozlowski is professor of community health and health behavior in the University at Buffalo's School of ...
While few studies have examined the impact of medical marijuana laws on recreational use among adults, Hasin said cannabis use for non-medical purposes does appear to have increased among adults since the laws were passed. She added that it is not yet clear if newer laws legalizing recreational...
Due to the lack of standardization in assessing marijuana-induced impairment and limitations of zero tolerance legislation, more jurisdictions are adopting per se laws by specifying a legal limit of Δ9-tetrahydrocannabinol (THC) at or above which drivers are prosecuted for driving under the influence...