Dow Chemical Weedkiller May Cause Cancer, WHO Agency Says
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A widely used Dow Chemical Co. weedkiller was added to a World Health Organization list of potential carcinogens, just three months after the agency made a controversial assessment of Monsanto Co.’s glyphosate herbicide.
Based on limited evidence from laboratory animal studies and inadequate evidence in humans, 2,4-D is “possibly carcinogenic to humans,” the International Agency for Research on Cancer, a Lyon, France-based arm of the WHO, said Tuesday in a statement.