Editing Carcinogen (section)

== Cigarette smoke ==
{{Main|Health effects of tobacco}}

Tobacco smoke contains at least 70 known carcinogens and is implicated in the development of numerous types of cancers including cancers of the lung, larynx, esophagus, stomach, kidney, pancreas, liver, bladder, cervix, colon, rectum and blood.<ref>{{Cite web |last=CDC |date=2019-08-27 |title=Cancer and Tobacco Use |url=https://www.cdc.gov/vitalsigns/cancerandtobacco/index.html |access-date=2024-04-17 |website=Centers for Disease Control and Prevention |language=en-us}}</ref> Potent carcinogens found in cigarette smoke include [[polycyclic aromatic hydrocarbon]]s (PAH, such as benzo(a)pyrene), [[benzene]], and [[nitrosamine]].<ref>{{cite web |title=Harms of Cigarette Smoking and Health Benefits of Quitting |url=http://www.cancer.gov/about-cancer/causes-prevention/risk/tobacco/cessation-fact-sheet |work=National Cancer Institute |date=2017-12-21}}</ref><ref>{{cite web |url = http://oehha.ca.gov/prop65/hazard_ident/pdf_zip/FinalMJsmokeHID.pdf | vauthors = Tomar RC, Beaumont J, Hsieh JC 
|date = August 2009 |title = Evidence on the carcinogenicity of marijuana smoke |publisher = Reproductive and Cancer Hazard Assessment Branch Office of Environmental Health Hazard Assessment, California Environmental Protection Agency 
|access-date = 23 June 2012 }}</ref>