One of the many arguments surrounding the decriminalization or legalization of marijuana has been how dangerous it could be to drive while under the influence. Many studies have come out over the years comparing drivers who have recently smoked and those who are intoxicated with alcohol.
The newest study to come out however, says that the previous ones got it wrong. The study was published in the journal Addiction, and attempted to gauge how likely drivers were to have an accident while high. According to the study, smokers were 1.2 to 1.4 times more likely to crash versus alcohol’s multiplying factor of four.
The discrepancies between previous studies and this one, according to the researchers, is that previous studies’ methodologies were wrong. They looked at over 20 studies and 2 meta-analyses from 1982-2015. The most prominent methodology inaccuracy was the failure to account for known variables such as gender or age.
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