Photos

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SAN DIEGO (April 17, 2024) National Public Radio’s (NPR) Marketplace host Kai Ryssdal performs the task of walking on a treadmill for 25 minutes inside the Warfighter Performance Laboratory’s environmental chamber, while the environment is set at 110°F and 20% humidity. During these 25 minutes, Ryssdal performed cognitive tasks while his physiological responses were recorded. Before, during and after the high-temperature exercise, NHRC researchers with the Warfighter Performance team asked Ryssdal about his physiological perceptions. NHRC supports military mission readiness with research and development that delivers solutions to the health and readiness challenges our military population faces on the battlefield, at sea, abroad and at home. (U.S. Navy photo by Danielle Cazarez/released)