Cold Plunge Science: What Cold Water Immersion Does to Your Body
A physician's evidence-based breakdown of cold plunge physiology — from norepinephrine spikes to metabolic shifts, and how to dose cold water immersion safely.
Longevity Medicine
Moderate EvidenceCold & Heat Exposure
Cryotherapy, sauna, and hormetic stressors for resilience and longevity.
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At-Home Vagus Nerve Exercises: Evidence-Based Techniques
Evidence-based vagus nerve exercises you can do at home — diaphragmatic breathing, cold exposure, humming, and why starting slow matters for dysautonomia patients.
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Cold Showers vs. Ice Baths: What Brown Fat Research Actually Shows
Physician analysis of cold showers versus ice baths for brown fat activation, fat loss, and metabolic health. Temperatures, durations, and what the thermogenesis data says.
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How Often Should You Sauna? What the Longevity Evidence Shows
Physician analysis of sauna frequency for longevity based on the Finnish cohort studies. How often, how long, what temperature, and who should avoid it.
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Contrast Therapy Protocol: Should You Sauna or Cold Plunge First?
Physician-guided contrast therapy protocol combining sauna and cold plunge. Optimal order, timing, temperatures, and what the cardiovascular evidence shows.
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Cold and Heat Exposure for Longevity
Cold plunge and sauna protocols for healthspan. What the evidence shows about deliberate temperature stress and aging.
