Medical-Marijuana Laws Reduce Highway Deaths
Medical-marijuana laws reduce traffic deaths, according to a new study, probably because people in states with such laws partly substitute marijuana for alcohol — and alcohol is more deadly when combined with driving.
Fifteen states plus the District of Columbia have passed medical-marijuana laws since 1996. Examining National Highway Traffic Safety Administration data before and after the passage of those laws, the researchers found a nearly 9% decrease in overall traffic fatalities. ...
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