The New York TimesThe New York Times

'Heat Ages People': As Temperatures Rise, Scientists Study How Humans React

By Raymond Zhong

13 Jun 2022 · 5 min read

Editor's Note

There is no doubt that climate change is seriously harming our planet, but did you know it could specifically impact the human body? The NYT has the latest.

When W. Larry Kenney, a professor of physiology at Pennsylvania State University, began studying how extreme heat harms humans, his research focused on workers inside the disaster-stricken Three Mile Island nuclear plant, where temperatures were as high as 165 degrees Fahrenheit.

In the decades that followed, Kenney has looked at how heat stress affects a range of people in intense environments: football players, soldiers in protective suits, distance runners in the Sahara.

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