Mark Hyman: What Happens To Your Body When You Cold Plunge?
M Mark Hyman Video Summary · May 12, 2026 View Full Protocol → Key Takeaways Cold plunge immediately triggers a cold shock response: rapid breathing, increased heart rate, and blood vessel constriction to preserve core heat. Expect heightened alertness and focus due to rapid epinephrine and norepinephrine release during immersion. Use cold plunges post-workout to…
