What is a class 2 carcinogen?
Group 2 (A and B): “This category includes agents, mixtures and exposure circumstances for which, at one extreme, the degree of evidence of carcinogenicity in humans is almost sufficient, as well as those for which, at the other extreme, there are no human data but for which there is evidence of carcinogenicity in …
What is carcinogen classified?
Agents Classified by the IARC Monographs, Volumes 1–131
Group 1 | Carcinogenic to humans | 121 agents |
---|---|---|
Group 2A | Probably carcinogenic to humans | 93 agents |
Group 2B | Possibly carcinogenic to humans | 320 agents |
Group 3 | Not classifiable as to its carcinogenicity to humans | 501 agents |
What is a class C carcinogen?
Group C – Possibly Carcinogenic to Humans: Agents with limited animal evidence and little or no human data. Group D – Not Classifiable as to Human Carcinogenicity: Agents without adequate data either to support or refute human carcinogenicity.
What is a Class 1 carcinogen?
Class 1 means that it is known that this substance causes cancer in humans. UV radiation is in this category, because science has shown that UV causes between 95-99% of skin cancers in humans. And UV is in good company in this class, which also has asbestos, tobacco and a range of chemicals with scary names.
What is a Level 1 carcinogen?
The World Health Organization has classified processed meats including ham, bacon, salami and frankfurts as a Group 1 carcinogen (known to cause cancer) which means that there’s strong evidence that processed meats cause cancer.
What is a Group 3 carcinogen?
Substances, mixtures and exposure circumstances in this list have been classified by the International Agency for Research on Cancer (IARC) as group 3: The agent (mixture or exposure circumstance) is not classifiable as to its carcinogenicity to humans.
Is lunch meat a class 1 carcinogen?
Consuming too much red and processed meat causes 18% of bowel cancer cases. Processed meat is classified as a Class 1 carcinogen by the World Health Organization. Current research shows that there are certain chemicals in processed meats – both added and naturally occurring – that cause them to be carcinogenic.