“After alcohol, marijuana is the most commonly used drug.”

 – National Institute of Drug Abuse

Read the full article here: https://www.getsmartaboutdrugs.gov/family/drugged-driving–what-you-should-know

This article discusses the dangers of using drugs while driving, along with what happens to the mind of persons using drugs, and the legality. 

“Marijuana and many medications act on parts of the brain that can impair driving ability.”