Using Deliberate Cold Exposure for Health and Performance

Also cold / warm shower → reverse heating effect shortly after → phase advance / delay.

Aerobic forms of exercise should be “low and slow” to promote neurogenesis while avoiding the cortisol spike of “chronic cardio.” Anaerobic forms of exercise should be “hard and fast” to promote metabolic adaptation in your muscles and brain. Both forms of exercise are critical! Sauna use can be an incredible adjunct to exercise or as a standalone

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The group trained by Hof were able to control their heart rate, temperature, and immune response, and stimulate the sympathetic system. This practice of heavy breathing along with regular cold exposure was later discovered to release the stress hormones adrenaline, cortisol, and norepinephrine on command. The burst of adrenaline gave heavy breather

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