The International Agency for Research on Cancer (IARC) classifies substances based on their carcinogenicity to humans. According to IARC, exposure to some substances or occupations may increase the risk of colorectal cancer.
There is limited evidence that occupational exposure to asbestos may increase the risk of colorectal cancer.
CAREX Canada estimates the number of Canadians exposed to carcinogens in the workplace. See the CAREX Canada carcinogen profiles for more information on exposures associated with colorectal cancer and the related industries and occupations.
See the IARC monographs for more information on the scientific evidence linking asbestos with increased risk of colorectal cancer:
For more information on how IARC classifies carcinogens, read this fact sheet.
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