As a heatwave grips the U.S., a look at how extreme heat affects the body
As heatwaves sweep the country, NPR's A Martinez asks W. Larry Kenney, professor of physiology and kinesiology at Penn State University, how extreme heat affects humans.
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NPR Health
2 Jul 2026 1 days ago 1 min read
NPR Health โ 2 July 2026
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As a heatwave grips the U.S., a look at how extreme heat affects the body
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As heatwaves sweep the country, NPR's A Martinez asks W. Larry Kenney, professor of physiology and kinesiology at Penn State University, how extreme h