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  2. May 8, 2024 · To understand what this classification means, it is helpful to understand the IARC categories: Class 1 – Carcinogenic to Humans (alcohol consumption; smoking, tobacco) Class 2A – Probably Carcinogenic to Humans (emissions from high-temperature frying, consumption of red meat)

  3. May 22, 2024 · The IARC Monographs Working Group classified night shift work as “probably carcinogenic to humans” (Group 2A), on the basis of limited evidence of cancer in humans (for cancers of the breast, prostate, colon, and rectum), sufficient evidence of cancer in experimental animals, and strong mechanistic evidence in experimental animals.

  4. May 23, 2024 · The IRIS chemical files include only unit risks and risk-related air and water concentrations. The activity of numerical risk estimation is not dependent upon the likelihood that the agent is a human carcinogen, as characterized in the hazard identification process.

  5. May 17, 2024 · More than 400 chemical agents have been listed as carcinogenic, probably carcinogenic, or possibly carcinogenic by the International Agency for Research on Cancer (IARC), a branch of the World Health Organization that monitors cancer occurrence worldwide and performs epidemiological and laboratory investigations to understand the causes of cancer.

    • The Editors of Encyclopaedia Britannica
  6. May 2, 2024 · Scientists from the International Agency for Research on Cancer (IARC) and partner institutions have identified mutational signatures in kidney tumours that indicate the existence of multiple, geographically variable, and as-yet-undiscovered mutagenic exposures, potentially affecting tens of millions of people.

  7. 1 day ago · Titanium dioxide dust, when inhaled, has been classified by the International Agency for Research on Cancer (IARC) as an IARC Group 2B carcinogen, meaning it is possibly carcinogenic to humans. The US National Institute for Occupational Safety and Health recommends two separate exposure limits. NIOSH recommends that fine TiO

  8. May 23, 2024 · Definition. 00:00. …. A carcinogen is a substance, organism or agent capable of causing cancer. Carcinogens may occur naturally in the environment (such as ultraviolet rays in sunlight and certain viruses) or may be generated by humans (such as automobile exhaust fumes and cigarette smoke). Most carcinogens work by interacting with a cell’s ...