2min chapter

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Dr. Susanna Søberg: How to Use Cold & Heat Exposure to Improve Your Health

Huberman Lab

CHAPTER

How to Activate Your Diving Reflex

Diving reflex is activated when you submerge into cold water. You don't have to do it with your face as far as I understand it. So one to two minutes, you will have full activation of the sympathetic nervous system but also the parasympathetic nervous system. And that's going to activate something like serotonin in your brain which is good for mental balance and people feeling in mental balance afterwards.

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