McGill Research Finds Significant Driving Impairment

McGill research finds significant driving impairment five hours after cannabis use

https://www.thestar.com/news/cannabis/2018/10/15/mcgill-research-finds-significant-driving-impairment-five-hours-after-cannabis-use.html

The study published Monday in the Canadian Medical Association Journal found that subjects who consumed cannabis had difficulty performing certain manoeuvres and were at greater risk of crashing a vehicle.