Newsletters

Real news. Real stories. Real voices.

Newsletters

Donate

Play Live Radio

Next Up:

0:00

0:00 0:00

Available On Air Stations

Supported by

We are experiencing technical difficulties with our transponder in Elko, NV. Our engineers are currently working on the issue. For uninterrupted listening, tune in via the live stream on knpr.org or listen on the NPR App.

As a heatwave grips the U.S., a look at how extreme heat affects the body

NPR | By A Martínez

Published July 2, 2026 at 1:48 AM PDT

Facebook
Twitter
Bluesky
LinkedIn
Email

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.

As a heatwave grips the U.S., a look at how extreme heat affects the body

Become a supporter

Support Local Journalism

As a heatwave grips the U.S., a look at how extreme heat affects the body

The Midweek Roundup

The Summer Issue

Support Local Journalism