stackyFACTSSitting in a blistering 175-degree room feels like torture, but your heart thinks you are running a marathon.
Sitting in a blistering 175-degree room feels like torture, but your heart thinks you are running a marathon. Heat stress triggers massive vasodilation, forcing your heart rate to double to keep blood pumping to the skin for cooling. This intense cardiovascular workout releases heat shock proteins that repair damaged cells and improve endothelial function. Frequent sauna bathers dramatically slash their risk of fatal heart attacks without taking a single step.
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