Marijuana Driving Studies Update

Published: March 28, 2016, 4:14 a.m.

Today's show features a marijuana driving studies update showing far less risk than previously believed. Previous analyses have suggested that marijuana increases a risk of crash by double, but these marijuana driving studies show a risk increase of just 20 to 30 percent, which is less risk than one finds from having another person in the car or being a driver over age 60.