Andrew Huberman· PhD
It makes sense. The sauna is causing vasodilation and the Cold Plunge or cold exposure is causing vasoconstriction, so it's like a very just shock to my system.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
It makes sense. The sauna is causing vasodilation and the Cold Plunge or cold exposure is causing vasoconstriction, so it's like a very just shock to my system.
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because you're going from hot sauna where vasodilation is occurring and then you're going into cold where vasoconstriction is occurring, norepinephrine is being released and vasoconstriction is occurring.