Los Angeles Times Op-Ed Cites Columbia Research

Marijuana use doubles the risk of being in a car accident if you drive soon after smoking it, and it causes more car accidents than any other illicit drugs, according to Columbia University researchers. They found it contributed to 12% of traffic deaths in the U.S. in 2010, triple the rate of a decade earlier.
Read more: http://www.latimes.com/opinion/op-ed/la-oe-shapiro-marijuana-danger-2015...