A “ cold shock” sounds unpromising, at least at first blush. Plunge into icy water, and, as you gasp for air, your heartbeat jumps, blood vessels constrict, stress hormones like cortisol, an ...

Are you one of those sauna-goers who dreads the subsequent cold plunge or shower but does ... for example by taking a warm post-sauna shower. A bath in a pool with a “feel-good” water ...