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.
What that all means is that if you are doing your deliberate cold exposure early in the day, you are going to get yet a further increase in core body temperature that would be associated with wakefulness, your ability to be alert that morning or throughout the day and so on.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
Keep in mind if you get into an ice bath or cold shower, you get very, very cold, but then what happens it's like putting an ice pack on the thermostat. Your body temperature goes up. Remember, thermogenesis-- that's the warming of the body in response to cold.
reverse engineering the the equation you're trapping the heat into the core of your body you're waking yourself up right