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Huberman LabUsing Deliberate Cold Exposure for Health and Performance | Huberman Lab
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At a glance
WHAT IT’S REALLY ABOUT
Harnessing Deliberate Cold Exposure To Boost Mood, Metabolism, Performance
- Andrew Huberman explains how deliberate cold exposure affects the brain and body, outlining protocols to improve mental resilience, mood, metabolism, and physical performance. He details the underlying neurochemistry (dopamine, norepinephrine, epinephrine), thermoregulation mechanisms, and how cold converts white fat into more metabolically active brown/beige fat. The episode also clarifies when and how to apply cold for recovery, strength, and endurance, and how to safely integrate cold with tools like exercise, fasting, and caffeine. Throughout, Huberman emphasizes safety, gradual progression, and tailoring temperature and duration to individual tolerance and goals.
IDEAS WORTH REMEMBERING
5 ideasUse the ‘uncomfortably cold but safe’ rule to set temperature.
There is no universal ‘right’ temperature because cold tolerance and metabolism vary. Huberman recommends using water (or air) that is cold enough that you strongly want to get out, but can clearly stay in safely without risking health. This subjective threshold lets you individualize protocols while still triggering significant catecholamine release and physiological adaptation.
Train resilience by counting and crossing ‘walls’ of resistance, not just time.
Instead of only extending duration or lowering temperature, Huberman suggests noticing each psychological ‘wall’—the surge of “I want to get out”—as a marker of epinephrine/norepinephrine spikes. Commit beforehand to crossing a set number of walls (e.g., 3–5) per session. This better mimics real-life stress, trains the prefrontal cortex to stay online under stress, and avoids eventually ‘bottoming out’ on temperature or impractical durations.
Aim for at least ~11 minutes of cold exposure per week for metabolic benefits.
Human data (e.g., Søberg et al.) suggest that about 11 total minutes per week of cold-water immersion (split across 2–4 sessions) is enough to measurably increase brown/beige fat activity and slightly raise resting metabolism. You can surpass 11 minutes if it remains safe and tolerable, but this threshold is a practical, evidence-based weekly target for most people.
End on cold and reach light shiver if your main goal is metabolism.
To maximize thermogenesis and beige/brown fat activation, Huberman highlights the ‘Søberg Principle’: do not immediately reheat with hot showers/sauna after cold. Instead, finish with cold and let your body rewarm itself. Reaching the point of shivering (during or right after cold) further boosts thermogenesis via succinate release from muscle, which activates brown fat.
Avoid cold immersion for ~4 hours after strength/hypertrophy workouts.
Meta-analyses indicate that cold-water immersion immediately post-lifting can blunt some hypertrophy and strength adaptations. If maximizing muscle size and strength is your primary goal, Huberman recommends waiting at least four hours after such sessions before using ice baths or very cold immersions. Brief cold showers may be less problematic but are best delayed if you are highly optimization-focused.
WORDS WORTH SAVING
5 quotesThe environment that you place yourself into should place your mind into a state of, ‘Whoa, I would really like to get out of this environment, but I can stay in safely.’
— Andrew Huberman
Deliberate cold exposure is an opportunity to deliberately stress our body and yet… learn to maintain mental clarity and calm while our body is in a state of stress.
— Andrew Huberman
If you want to increase your metabolism, end with cold.
— Andrew Huberman
Shorter duration cold exposure and lower temperatures can improve the efficacy of cold water exposure if used after high-intensity exercise.
— Andrew Huberman
Cooling the palms of the hands, the bottoms of the feet, and the upper half of the face can more efficiently reduce core body temperature than putting a cold towel on your head or torso.
— Andrew Huberman
High quality AI-generated summary created from speaker-labeled transcript.
