A clear head is a wonderful thing to carry, especially in times of crisis.
Anne Morrow lindbergh
Cannabis, like alcohol, negatively affects several skills required for safe driving. You can choose not to drive—and remind your friends and family to do the same—after using cannabis.
It can slow reaction time and ability to make decisions.
Cannabis can impair coordination and distort perception.
The use of multiple substances (such as cannabis and alcohol) at the same time can increase impairment.
Some studies have shown an association between cannabis use and car crashes; however, more research is needed.