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In general, the American Cancer Society does not determine if something causes cancer (that is, if it is a carcinogen).Instead, we rely on the determinations of other respected agencies, such as the International Agency for Research on Cancer (IARC, part of the World Health Organization) and the US National Toxicology Program (NTP). The lists below are from IARC and NTP. More information on each of these known and probable human carcinogens can be found on their websites. To learn more about these agencies and how they study and classify cancer causes, see Determining if Something Is a Carcinogen. What you should know
Known human carcinogensInternational Agency for Research on Cancer Group 1: Carcinogenic to humansLearn more about the topics in this list in the IARC monographs at https://monographs.iarc.fr/cards_page/publications-monographs/.
National Toxicology Program 15th Report on Carcinogens “Known to be human carcinogens”Learn more about the topics in this list in the NTP’s Report on Carcinogens at https://ntp.niehs.nih.gov/whatwestudy/assessments/cancer/roc/index.html.
Probable carcinogensInternational Agency for Research on Cancer Group 2A: Probably carcinogenic to humansLearn more about the topics in this list in the IARC monographs at https://monographs.iarc.fr/cards_page/publications-monographs/.
National Toxicology Program 15th Report on Carcinogens “Reasonably anticipated to be human carcinogens”Learn more about the topics in this list in the NTP’s Report on Carcinogens at https://ntp.niehs.nih.gov/whatwestudy/assessments/cancer/roc/index.html.
American Cancer Society medical information is copyrighted material. For reprint requests, please see our Content Usage Policy. What is the most potent carcinogen?Experimental Evidence: Carcinogenicity. Aflatoxin B1 is the most potent hepatocarcinogen known, being about 1,000 times more powerful than butter yellow (p-dimethylaminoazobenzene) in rats.
What is the most common carcinogen?6 Common Carcinogens Everyone Should Know About. #1: Alcohol. While the occasional drink doesn't pose serious harm to our health, heavy drinking can lead to a multitude of health risks, including a heightened risk for several types of cancer. ... . #2: Processed Meat. ... . #3: Sunlight. ... . #4: Tobacco. ... . #5: Asbestos.. What has a lot of carcinogens?The bottom line. Processed meat, overcooked foods, and fried foods may increase your risk of some types of cancer. That's because these foods may contain carcinogens, or compounds that cause cancer. Alcohol produces carcinogens when it's metabolized by your body.
What are the 3 major types of chemical carcinogens?There are three types of chemicals, known as carcinogens, that can cause cancer: Procarcinogens, which cause cancer due to being changed during metabolism. Cocarcinogens, which cause cancer by acting with another chemical. Direct acting carcinogens, which can cause cancer as is.
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