Nutrition Facts with Dr. Greger
from: Nutrition Facts with Dr. Greger
Michael Greger, M.D. FACLM
PUBLISHED: APR 9, 2026INDEXED: APR 14, 2026, 2:17 PM

Taking the Cold Plunge

Key Takeaways

  • β€’

    Cold exposure activates calorie-burning brown fat

    β€œBy activating brown adipose tissue, cold exposure can help us burn more calories.”

    β€” Dr. Michael Greger
  • β€’

    Immersion reduces post-exercise muscle soreness

    β€œCold-water immersion has been shown to reduce the symptoms of delayed onset muscle soreness.”

    β€” Dr. Michael Greger
  • β€’

    Cold plunges increase white blood cell counts

    β€œShort-term cold water immersion can lead to a significant increase in circulating immune cells.”

    β€” Dr. Michael Greger
  • β€’

    Cold water exposure improves insulin sensitivity

    β€œCold exposure improves insulin sensitivity, potentially offering metabolic benefits for those with diabetes.”

    β€” Dr. Michael Greger
  • β€’

    Water immersion lowers systemic cortisol levels

    β€œSubmerging in cold water can help lower cortisol levels and improve overall mood.”

    β€” Dr. Michael Greger
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Episode Description

What are the benefits of cold-water immersion?

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