Huberman Lab

Dr. Andrew Huberman: How to Raise Your Pain Threshold

Expectation and circadian timing shift your pain threshold dramatically; cold immersion speed, dopamine, and acupuncture all modulate the pain-pleasure axis.

AHAndrew Hubermanhost

Jun 19, 2025·32m·Watch on YouTube ↗

📖 CHAPTERS

1. 1
   0:00 – 2:25

   Introduction: Framing Pain And Pleasure As A Single Continuum

   Huberman introduces the episode’s focus on pain and pleasure as opposite ends of a shared sensory continuum rooted in the skin. He outlines the skin’s multifaceted role as barrier, sensory surface, and site of both intense pain and pleasure, and defines appetitive versus aversive behavior.

2. 2
   2:25 – 5:45

   How Skin Neurons And The Brain Create Sensation

   The discussion moves into the hard science of how dorsal root ganglia neurons connect skin to brain. Huberman explains how different receptors detect touch, pressure, temperature, and chemicals, yet all use the same electrical language, requiring the brain to interpret modality and assign meaning.

3. 3
   5:45 – 8:40

   Somatosensory Cortex, Body Maps, And Two-Point Discrimination

   Huberman describes the somatosensory cortex and its homunculus—the brain’s organized map of the body’s surface. He illustrates how receptor density shapes representation and perception using the two-point discrimination experiment across different body regions.

4. 4
   8:40 – 13:30

   Subjective Modulators Of Pain: Expectation, Anxiety, Sleep, Circadian Rhythm, Genes

   The episode shifts from anatomy to the factors that shape subjective pain and pleasure. Huberman highlights expectation, anxiety, sleep quality, time of day, and genetics as key determinants of pain threshold and duration, and explains how anticipation windows can reduce or intensify pain.

5. 5
   13:30 – 16:00

   Cold And Heat: Mechanisms And Practical Pain Management

   Huberman dives into thermal pain and explains why cold immersion is a powerful test of pain tolerance. He clarifies that cold receptors encode relative drops in temperature, making quick, full immersion less painful than gradual entry, while heat is encoded more in absolute terms.

6. 6
   16:00 – 18:40

   Perception, Psychosomatic Pain, And The Nail-In-The-Boot Case

   A dramatic clinical anecdote illustrates the mismatch that can exist between tissue damage and pain experience. Huberman uses this to argue that all pain is neural, pushing back against dismissive uses of “psychosomatic,” and reframing poorly understood diagnoses as legitimate conditions with unknown mechanisms.

7. 7
   18:40 – 22:10

   Fibromyalgia, Glia, Naltrexone, And Acetyl-L-Carnitine

   The conversation turns to emerging mechanisms behind widespread pain, particularly fibromyalgia, involving glial cells and Toll-like receptor 4. Huberman describes evidence that low-dose naltrexone and acetyl-L-carnitine can alleviate some forms of chronic pain and may support wound healing.

8. 8
   22:10 – 26:35

   Electroacupuncture, Inflammation, And Neural Circuits

   Huberman explores how acupuncture—specifically electroacupuncture—can have strong but variable effects on pain and inflammation. He reviews Qiufu Ma’s work showing that abdomen stimulation can be pro- or anti-inflammatory depending on intensity, while leg stimulation reliably activates anti-inflammatory catecholamine pathways.

9. 9
   26:35 – 29:10

   Genetic Influences: Redheads, MC1R, And Endogenous Opioids

   The episode examines how genetics, illustrated by redheads, affect pain thresholds. Mutations in MC1R alter POMC-derived peptides, shifting the balance between pain-enhancing and pain-blocking hormones and leading to higher endogenous opioid levels and, on average, greater pain tolerance.

10. 10
    29:10 – 31:10

    Dopamine, Immune Modulation, And Cognitive Buffering Of Pain

    Huberman links mindset and neuromodulators to pain resilience, describing how dopamine-regulated circuits influence brainstem neurons, immune cell deployment, and subjective toughness. Positive states and goal-directed motivation can partially buffer pain by engaging these systems.

11. 11
    31:10 – 34:20

    Pleasure Circuits: Dopamine, Serotonin, Oxytocin, And Anhedonia

    The discussion broadens to pleasure as an adaptive driver of reproduction and survival. Huberman describes how dopamine fuels pursuit and anticipation, while serotonin and oxytocin underlie satisfaction, bonding, and warmth, and how antidepressants raise baseline levels of these neuromodulators to combat anhedonia.

12. 12
    34:20 – 37:30

    The Pleasure–Pain See-Saw And The Biology Of Addiction

    Huberman closes by warning about excessive dopamine stimulation from powerful drugs or behaviors. He explains that high peaks in dopamine always recruit opposing pain circuits, leading to blunted pleasure, heightened discomfort, and the core neurobiology of addiction, emphasizing the need to avoid extreme, repeated dopamine spikes.

13. 13
    37:30

    Conclusion: Principles For Navigating Pain And Pleasure

    Huberman summarizes the key themes: neural pathways from skin to brain, modulators of pain and pleasure, and tools for adjusting these experiences. He emphasizes understanding principles over memorizing details and encourages applying this knowledge to manage one’s subjective experience more effectively.