Health

Exposure to environmental PCBs impairs brain function in mice

Human-made toxic chemicals that linger indefinitely in the environment disrupt the performance of critical helper cells in the mouse brain, leading to impaired function over long-term exposures, say neuroscientists at Georgetown ...

Health

New Hampshire sues 3M, Dupont, other chemical companies

New Hampshire is suing eight companies including 3M and Dupont for damage it says has been caused statewide by a class of potentially toxic chemicals found in everything from pizza boxes to fast-food wrappers.

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