CR3 News Magazine 2025 VOL 4: SEPT RADON CHILDREN & SCHOOLS EDITION | Page 14

What Group 1 Carcinogen Really Means

Scientists at the World Health Organization sort substances into groups. Group 1 is the most serious: these are proven human carcinogens. Radon didn’t just make the list — it was chosen first, because the evidence is strong, consistent, and clear.

IARC Groups at a Glance

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https://www.youtube.com/watch?v=WP60nNXqNOo

The IARC Monographs: What classifications mean and how are they used?

More than 1000 agents have been evaluated by the IARC Monographs programme, based on the strength of the evidence for their capacity to cause cancer. In this video, Dr Mary Schubauer-Berigan, Head of the IARC Monographs programme, presents the different classification groups, some examples of different agents from each group, and how the Monographs classifications may aid people or public health organizations to reduce exposures to carcinogenic substances.

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