EssentialsEssentials
August 7, 2025

Essentials: Increase Strength & Endurance with Cooling Protocols | Dr. Craig Heller

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In this Huberman Lab Essentials episode, my guest is Dr. Craig Heller, PhD, a professor of biology at Stanford University and a world expert on the science of temperature regulation.

We discuss how the body and brain regulate temperature in different conditions and why conventional cooling methods, such as placing ice packs on the neck, do not effectively reduce core body temperature. Dr. Heller explains why cooling glabrous skin areas—the palms, soles and upper face—efficiently releases body heat and can significantly enhance physical performance and endurance. We discuss how targeted palmar cooling improves both short-term performance and long-term training adaptation in aerobic and anaerobic exercise.

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  • 00:00:00 Craig Heller
  • 00:00:26 Deliberate Cold Exposure, Cold Showers, Ice Baths; Vasoconstriction
  • 00:02:26 Cold Shower vs Cold Immersion, Boundary Layer, Tool: Improve Aerobic Exercise Performance
  • 00:04:54 Anerobic Exercise & Overheating, Muscle Failure, Muscle Fatigue
  • 00:07:19 Anerobic Exercise, Heat, Cool Down with Ice Water or Cold Towel?
  • 00:09:42 Should You Cool Body/Head to Lower Body Temperature?, Hyperthermia, Heat Stroke
  • 00:13:30 Body Sites for Quick Cooling: Palms, Soles & Upper Face, Glabrous Surfaces
  • 00:16:01 Tool: Loosen Grip & Performance; Gloves & Socks
  • 00:17:33 Cooling Brain via Upper Face; Offset Concussion?
  • 00:19:50 Enhance Anerobic Performance & Cooling Palms, Heat Loss
  • 00:23:05 Improve Aerobic Endurance & Cooling Palms
  • 00:24:00 CoolMitt; Ice Cold Is Too Cold
  • 00:27:00 Tool: Use Palmer Cooling to Enhance Performance; Cooling Palms, Soles & Face
  • 00:30:42 Acknowledgments

This transcript is currently under human review and may contain errors. The fully reviewed version will be posted as soon as it is available.

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Huberman Lab Essentials

Dr. Craig Heller: Using Temperature for Performance, Brain & Body Health

Huberman Lab Essentials are short episodes focused on essential science and protocol takeaways from past full-length Huberman Lab episodes.

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