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   How many carcinogens are there?

   • Perhaps not surprisingly, based on how hard it can be to test possible carcinogens, most are listed as being of probable, possible, or unknown risk. Only a little over 100 are classified in Group 1, as “carcinogenic to humans.” The IARC publishes its findings, including the detailed evidence to support them, in volumes known as monographs.

   Determining if Something Is a Carcinogen - American Cancer Society

   www.cancer.org/cancer/risk-prevention/understanding-cancer-risk/determining-if-something-is-a-carcinogen.html

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   What are the different types of carcinogens?

   • Researchers divide carcinogens into three main categories. These include: car exhaust fumes, industrial by-products, and cigarette smoke. Physical or environmental carcinogens: These carcinogens come from the environment. UV rays from sunlight and radiation from X-rays or other radioactive materials are examples of physical carcinogens.

   Carcinogens: Overview, types, and more - Medical News Today

   www.medicalnewstoday.com/articles/what-is-a-carcinogen

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   What is a carcinogen in the workplace?

   • A carcinogen is any substance or agent that has the potential to cause cancer. Common carcinogens include alcohol, tobacco, processed meats, UV rays, radon, and asbestos. Some people may come into contact with carcinogens in their workplaces. However, employers in the U.S. must take steps to protect employees from carcinogen exposure.

   Carcinogens: Overview, types, and more - Medical News Today

   www.medicalnewstoday.com/articles/what-is-a-carcinogen

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2. en.wikipedia.org › wiki › IARC_group_2BIARC group 2B - Wikipedia

   en.wikipedia.org › wiki › IARC_group_2B

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   IARC group 2B substances, mixtures and exposure circumstances are those that have been classified as "possibly carcinogenic to humans" by the International Agency for Research on Cancer (IARC) as [1] This category is used when there is limited evidence of carcinogenicity in humans and less than sufficient evidence of carcinogenicity in ...

3. www.cancer.org › cancer › risk-preventionDetermining if Something Is a Carcinogen | American Cancer ...

   www.cancer.org › cancer › risk-prevention

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   Group 1: Carcinogenic to humans; Group 2A: Probably carcinogenic to humans; Group 2B: Possibly carcinogenic to humans; Group 3: Not classifiable as to its carcinogenicity in humans; Perhaps not surprisingly, based on how hard it can be to test possible carcinogens, most are listed as being of probable, possible, or unknown risk.

4. www.atsdr.cdc.gov › pha-guidance › resourcesCancer Classification Systems May 2020 - Agency for Toxic ...

   www.atsdr.cdc.gov › pha-guidance › resources

   Groups B1 and B2 (probably carcinogenic to humans) Group C (possibly carcinogenic to humans) Group D (not classifiable as to human carcinogenicity . Group E (evidence of non-carcinogenicity for humans. IARC : Group 1 (carcinogenic to humans) Group 2A (probably carcinogenic to humans) Group 2B (possibly carcinogenic to humans)

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6. www.cancer.org › cancer › risk-preventionKnown and Probable Human Carcinogens - American Cancer Society

   www.cancer.org › cancer › risk-prevention

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   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.

7. monographs.iarc.who.int › agents-classified-by-theAgents Classified by the IARC Monographs , Volumes 1–135

   monographs.iarc.who.int › agents-classified-by-the

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   Dec 1, 2023 · Group 2B. Possibly carcinogenic to humans. 323 agents. Group 3. Not classifiable as to its carcinogenicity to humans. 500 agents. For definitions of these groups, please see the Preamble.

8. canceratlas.cancer.org › human-carcinogensHuman Carcinogens | The Cancer Atlas

   canceratlas.cancer.org › human-carcinogens

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   The agents are classified as “carcinogenic to humans” (Group 1), “probably carcinogenic to humans” (Group 2A), “possibly carcinogenic to humans” (Group 2B), “not classifiable as to their carcinogenicity to humans” (Group 3), or as “probably not carcinogenic to humans” (Group 4).

9. www.medicalnewstoday.com › what-is-a-carcinogenCarcinogens: Overview, types, and more - Medical News Today

   www.medicalnewstoday.com › what-is-a-carcinogen

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   Sep 26, 2022 · A carcinogen is any substance, agent, or organism that has the potential to cause cancer. Some carcinogens, such as UV rays from sunlight, occur naturally. Others originate...