High Performance Longevity #154 Contrast Therapy: Hot & Cold Baths, Ice Plunges, Saunas & Breathwork | Dr. Marc Cohen @ Extreme Wellness
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Apr 25, 2024 
Dr. Marc Cohen, a medical doctor and integrative wellness researcher with 30+ years in sauna, bathing and breathwork, guides a playful deep dive into hot and cold therapies. He explores contrast routines, breath techniques for cold tolerance, sauna and mineral-bath rituals. Short, practical sequences and sensory hacks for resilience, recovery and mindful stillness are highlighted.
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Water As The Body's Operating System
- Water functions as the body's operating system and bathing exposes you to controlled life-threatening temperature stresses for resilience training.
- Dr. Marc Cohen frames five elemental stress channels: water, glucose, oxygen, temperature, and carbon dioxide to practice relaxed response at physiological edges.
Use Breath And Small Body Cues In Cold
- Use breath control and parasympathetic cues when entering cold exposure: big breath in, breathe out (sigh), nose breathing, smile, soften stomach.
- Marc lists 10 hacks (touch fingers, wiggle toes, sigh, smile, swallow, sing, flutter eyelids, focus) to stop hyperventilation panic in ice baths.
Hypoxia Primes Endorphin Sensitivity
- Intermittent hypoxia releases stem cells and dynorphin, priming greater endorphin sensitivity and a post-stress euphoria.
- Marc notes breath-hold after hyperventilation can lower resting heart rate and create a prolonged calm useful for decisions or meditation.
