Do PCBs Still Threaten Humans? A Turtle Study Suggests They Might

Decades after polychlorinated biphenyls (PCBs)—once commonly used in pesticides, electrical transformers and coolants—were banned by the U.S. Environmental Protection Agency, the toxic chemicals continue to linger in our country’s soil and water. A new study shows how exposure to these PCBs can weaken turtle bone and shell density and suggests they could also continue to [...]


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