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Thursday, May 9, 2013
Letters to the editor

Cruise ships create many health hazards

Autism risk is strongly associated with exposure in pregnancy and infancy to a certain type of air pollution that contains nitrogen dioxide and ambient particulate matter. Low-grade diesel fuel, when burned, emits both of these, and we breathe in the fine graded black soot we are familiar with emitted from the stacks of cruise ships pa...

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