Graphic illustration with gradient background showing the text “Class 2B Possible Human Carcinogens,” highlighting IARC’s Group 2B classification of agents that are possibly carcinogenic to humans. Published: 26 February 2026By EMFSA Class 2B Possible Human Carcinogens Class 2B Possible Human Carcinogens are substances or exposures identified by the International Agency for Research on Cancer (IARC) … Continue reading Class 2B Possible Human Carcinogens