The IARC classifies carcinogens into several categories based on the strength of the evidence:
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 to humans Group 4: Probably not carcinogenic to humans
These classifications help in understanding the level of risk associated with various agents, aiding in prioritizing research and regulatory measures.
