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Loretta Mickley

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Helicopters fly through pollution over the Canary Wharf business district through a window in a viewing area of the 95-storey skyscraper The Shard, the tallest building in Britain at 309.6 metres, in London, Thursday, Jan. 19, 2017. Eight London boroughs issued high pollution warnings Thursday. (AP Photo/Matt Dunham) (AP)

Air pollution has an understudied impact on public health

Ploy Pattanun Achakulwisut, Loretta Mickley, Susan Anenberg