Andrew Huberman· PhD
It's very similar to the utility from cold showers, ice baths and other forms of anything that increase adrenaline.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
It's very similar to the utility from cold showers, ice baths and other forms of anything that increase adrenaline.
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So, if you get into an ice bath or a cold shower, you will immediately release adrenaline from your adrenals. Now, there are all sorts of things related to this about psychological control and stress thresholds that we'll talk about, but I really want people to understand that when adrenaline is released in the body, you are in a better position to combat infections.
Given the data I'll talk about in a few minutes showing that regular deliberate cold exposure if done correctly, can in fact increase immune system markers and perhaps even make you much more robust to combating different types of infection through the release of adrenaline.
that adrenaline serves to suppress or combat incoming infections