Marijuana use can slow your reaction time and ability to make decisions. SUBSCRIBE FOR MORE VIDEOS AND NEWS http://www.youtube.com/subscription_center?add_user=losangelestimes LET’S CONNECT: Google+ ► https://plus.google.com/+latimes Facebook ► https://www.facebook.com/latimes Twitter ► https://twitter.com/LATimes L.A. Times ► http://www.latimes.com/