Sauna and ice bathing: What are the real benefits?
In this episode, Dr. Jonathan Apasu speaks with Prof. Dr. Andreas Michalsen (Head Physician, Immanuel Hospital Berlin, Charité) about the scientifically proven effects of heat and cold applications. From heat shock proteins and autophagy to brown adipose tissue, mood, immune defense, and pain therapy: We separate hype from evidence and provide practical protocol tips for a safe start.
Topics in this episode:
- Sauna & Heart Health: What Big Finnish Data Really Suggest
- Cellular effects: Heat shock proteins, autophagy & vascular “training”
- Cold & brown fat: Why ice bathing is metabolically interesting
- Immune system & mood: Endorphins, endocannabinoids, fewer infections?
- Cold chamber (-110 °C) & pain: evidence for rheumatism
- Steam bath vs. Finnish sauna: The decisive factor “humidity”
- Start safely: Kneipp treatments, cold showers, ice baths - step by step
- Practical protocols: Frequency, combinations, re-warm phase & no-gos
If you want to know how to meaningfully integrate heat and cold into your everyday life - listen in and take away concrete, safe routines!



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