Experimental evidence from animals indicates that exposure to polychlorinated biphenyls (PCBs) causes deterioration of the outer hair cells (OHCs) of the cochlea. To test this hypothesis in humans, we ...

Judge Nicole Berner of the U.S. Court of Appeals for the Fourth Circuit. Photo: Diego M. Radzinschi/ALM The U.S. Court of Appeals for the Fourth Circuit on Tuesday told a lower court to assess ...