Polychlorinated biphenyls (PCBs) are a group of man-made compounds that were widely used in the past, mainly in electrical equipment, but which were banned at the end of the 1970s in many countries due to environmental concerns. Because these compounds are generally very stable, they remain present in the environment today. What are the health risks associated with PCBs? GreenFacts has faithfully summarised the international chemical assessment by the World Health Organization entitled “Polychlorinated biphenyls: Human health aspects” in a language for the non-expert reader.

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