This video presents 10 tips for why not to smoke marijuana, and how to quit if you do. These health recommendations are based on expert clinical research presented by UpToDate online version 19.3, and a report by the US National Institute on Drug Abuse. This video is presented by Dr. Nicholas Cohen, MD and was released in 2012. The content of this video is not intended nor recommended as a substitute for medical advice, diagnosis, or treatment. Always seek the advice of your own physician or other qualified health care professional regarding any medical questions or conditions.