Motor vehicle accident risks similar between THC and alcohol.
"Marijuana has been associated with substantial adverse effects, some of which have been determined with a high level of confidence." This is the conclusion of top officials of the U.S. National Institute on Drug Abuse. This review provides evidence that regular and/or heavy use of cannabis is strongly linked to addictive behaviors, lung dysfunction, motor vehicle accidents, and "diminished lifetime achievement."
PositiveTip: Avoid the "weed" for a healthy and productive life.