Phoenix firefighters turn to low-tech solution to battle deadly heatstroke

As extreme heat increasingly impacts Phoenix, the city’s Fire Department is employing a novel lifesaving method: cold water immersion using bags of ice, originally developed by the military. This technique cools heatstroke victims three to five times faster than traditional methods, significantly reducing heat-related deaths despite rising temperatures, and is being stockpiled at fire stations and popular trailheads for rapid response.

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