This video deals exclusively with the documented negative health consequences of recreational cannabis use.

I used data from over 140 papers in the process of preparing this video. I’ve done my best to document sources. Below are some key papers for reference.

1. CANNABIS USE AND RISK OF LUNG CANCER: A CASE-CONTROL STUDY
Eur Respir J. 2008 February; 31(2): 280–286.

2. Possible role of marijuana smoking as a carcinogen in the development of lung cancer at a young age.
J Psychoactive Drugs. 1994 Jul-Sep;26(3):285-8.

3. Associations between duration of illicit drug use and health conditions: results from the 2005-2007 national surveys on drug use and health.
Ann Epidemiol. 2010 Apr;20(4):289-97.

4. Cannabis and road crashes: a survey of recent French studies.
Ann Pharm Fr. 2006 May;64(3):192-6.

5. Drugs in fatally injured young male drivers.
Public Health Rep. 1985 Jan–Feb; 100(1): 19–25.

6. Dose related risk of motor vehicle crashes after cannabis use.
Drug Alcohol Depend. 2004 Feb 7;73(2):109-19.

7. Developing limits for driving under cannabis.
Addiction. 2007 Dec;102(12):1910-7.

8. The effect of cannabis compared to alcohol on driving.
Am J Addict. 2009; 18(3): 185–193.

9. If cannabis caused schizophrenia–how many cannabis users may need to be prevented in order to prevent one case of schizophrenia? England and Wales calculations.
Addiction. 2009 Nov;104(11):1856-61.

10. Cannabis and suicide: longitudinal study.
Br J Psychiatry. 2009 Dec;195(6):492-7.

11. Cannabis use and the risk of developing a psychotic disorder.
World Psychiatry. 2008;7(2):68-71.

12. Delta-9-tetrahydrocannabinol effects in schizophrenia: implications for cognition, psychosis, and addiction.
Biol Psychiatry. 2005 Mar 15;57(6):594-608.

13. Adverse health effects of non-medical cannabis use.
Lancet. 2009 Oct 17;374(9698):1383-91.

14. General and oral health implications of cannabis use.
Aust Dent J. 2005 Jun;50(2):70-4.

15. Adverse health effects of non-medical cannabis use.
Lancet. 2009 Oct 17;374(9698):1383-91.

16. Adverse effects of cannabis on health: an update of the literature since 1996.
Prog Neuropsychopharmacol Biol Psychiatry. 2004 Aug;28(5):849-63.

17. Evaluating the drug use “gateway” theory using cross-national data: consistency and associations of the order of initiation of drug use among participants in the WHO World Mental Health Surveys.
Drug Alcohol Depend. 2010 Apr 1;108(1-2):84-97.

18. Does marijuana use serve as a gateway to cigarette use for high-risk African-American youth?
Am J Drug Alcohol Abuse. 2008;34(6):782-91.

There are another dozen or so papers I would like to include here, but will not for the sake of brevity.