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Why do experienced cold plungers dunk their face first, defying the urge to ease in? Andrew Huberman explains: Immediate face submersion activates the mammalian dive reflex, boosting parasympathetic activity to quickly lower heart rate, induce calm, and build greater stress tolerance. This simple tweak makes the practice more sustainable—and... show more
440,709 views • 7 months ago •via X (Twitter)
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