Tear gas and pepper spray can pose serious respiratory risks

According to research published in journals from the American Thoracic Society (ATS), inhaling tear gas or pepper spray—even ...
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Wind, cold temps can change the impact of tear gas and pepper balls, experts say

Chicago might see less tear gas as Operation Midway Blitz diminishes. And, when it is used, it might be less effective in colder, wetter weather. But wind adds a factor of unpredictability for a ...