Out of the hundreds and hundreds substances IARC has studied, they have placed only one in their group 4: "probably not carcinogenic to humans". Caprolactam. h

Out of the hundreds and hundreds substances IARC has studied, they have placed only one in their group 4: "probably not carcinogenic to humans". Caprolactam. https://monographs.iarc.fr/wp-content/uploads/2018/09/List_of_Classifications.pdf https://monographs.iarc.fr/wp-content/uploads/2018/09/List_o... https://en.wikipedia.org/wiki/List_of_IARC_Group_1_carcinogens https://en.wikipedia.org/wiki/List_of_IARC_Group_1_carcinoge... https://en.wikipedia.org/wiki/List_of_IARC_Group_2A_carcinogens https://en.wikipedia.org/wiki/List_of_IARC_Group_2A_carcinog... https://en.wikipedia.org/wiki/List_of_IARC_Group_2B_carcinogens https://en.wikipedia.org/wiki/List_of_IARC_Group_2B_carcinog... https://en.wikipedia.org/wiki/List_of_IARC_Group_3_carcinogens https://en.wikipedia.org/wiki/List_of_IARC_Group_3_carcinoge... https://en.wikipedia.org/wiki/Caprolactam https://en.wikipedia.org/wiki/Caprolactam