Rising global temperatures are posing increasing health risks to vulnerable populations, with the number of heat related deaths surpassing those from other types of extreme weather. Researchers at the University of Connecticut are studying the impacts of high temperatures on the body, and what methods and technologies could help ease the strain on people who work in dangerously hot conditions. NBC News' Erin McLaughlin interviews the lead scientist at the Korey Stringer Institute, which studies heat illness and safety.

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