Does air pollution cause Alzheimer’s and Parkinson’s?

Grist

This story was originally published by Mother Jones and is reproduced here as part of the Climate Desk collaboration.

“We should get out of here,” says air pollution chemist Eben Cross. At 7 a.m. on this cold November day the wind blows steadily through the Massachusetts Institute of Technology’s Cambridge campus, cutting through our thin jackets. But Cross isn’t afraid of the cold. He worries about the air we’re breathing — especially considering the six fire trucks directly ahead, idling in the dim morning light.

“We’re getting hammered right now,” Cross says, shouting over the hum of the engines. He’s taken his gloves off to manipulate the display panel on his pollution monitor. The acrid smell of diesel is unmistakable. “Anytime you can smell it, you are in a regime that is very polluted,” he says. “In many ways your nose is a better mass spectrometer than any…

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