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A new study from University of California San Diego has found that, while a third of Californians use cannabis regularly, there are significant gaps in knowledge around cannabis use and driving. The researchers found that even six years after the legalization of recreational cannabis use, adults in California demonstrate mixed awareness and knowledge of driving-related laws and regulations. 

The study results, published in BMC Public Health, come from a large-scale survey of cannabis use in California, titled Impact 64, which was funded by the California Department of Cannabis Control and surveyed over 4,000 Californians who currently use cannabis.

“Many people who currently use cannabis are unaware of regulations and laws around driving and cannabis use, putting themselves and others at risk,” said the study’s first author Sara Baird, M.D., associate physician diplomate at the UC San Diego Herbert Wertheim School of Public Health and Human Longevity Science. “There is a clear need for targeted education initiatives to address these knowledge gaps and promote safe driving practices.”