Animal studies show that exposure to polychlorinated biphenyls (PCBs) or other persistent organochlorine compounds can disrupt thyroid hormone homeostasis. In some reports dietary exposures to ...

PCB pollution threatens the future of killer whales Banned chemicals like PCBs and PBDEs persist in deep ocean Researchers said that chemicals - known as PCBs (Polychlorinated Biphenyls ...

NC State students delivered a petition to the university's administration Tuesday afternoon to express concern over PCBs on ...