On March 20, 2015, the United Nations World Health Organization’s International Agency for Research on Cancer (IARC) announced it had completed evaluations assessing the carcinogenicity of five organophosphate pesticides. Specifically, IARC classified the herbicide glyphosate and the insecticides malathion and diazinon as probably carcinogenic to humans (Group 2A), and classified the insecticides tetrachlorvinphos and parathion as possibly carcinogenic to humans (Group 2B)....
