Can road salt and other pollutants disrupt our circadian rhythms?

A pedestrian crosses the street in front of vehicles during a snowstorm, Sunday, Feb. 12, 2017, in Waltham, Mass. (AP Photo/Steven Senne) (Credit: AP)

Every winter, local governments across the United States apply millions of tons of road salt to keep streets navigable during snow and ice storms. Runoff from melting snow carries road salt into streams and lakes, and causes many bodies of water to have extraordinarily high salinity.

At Rensselaer Polytechnic Institute, my colleague Rick...

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