New podcast! Cold shock can boost norepinephrine up to 5-fold & increase type of immune cell that kills tumor cells.

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This ~1-hour long podcast covers effects on mood, vigilance, inflammation & the immune system, metabolism, athletic performance, recovery, and more.

Unlock the Science Digest — our exclusive biweekly newsletter featuring the latest scientific discoveries, concise summaries, and Rhonda's expert commentary. Available only to FoundMyFitness Premium Members.

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