REV - Driving while high: I tried it so you don't have to

What really happens when you drive under the influence of cannabis? We put it to the test in a professional driving simulator with police-style impairment tests - walking the line, eye tracking, reflex checks, and cognitive tasks. With experts Dr. Benno Hartung and Dr. Katharina Zube, we find out how weed affects reaction time, focus, steering, and driving safety.