Acute cannabis consumption and motor vehicle collision risk: systematic review of observational studies and meta-analysis.

Abstract

Objective: To determine whether the acute consumption of cannabis(cannabinoids) by drivers increases the risk of a motor vehicle collision. Conclusion: Acute cannabis consumption is associated with an increased risk of a motor vehicle crash, especially for fatal collisions. This information could be used as the basis for campaigns against drug impaired driving, developing regional or national policies to control acute drug use while driving, and raising public awarenes