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The brain has significant control over bodily functions, even in extreme situations. Clinical hypnosis, referred to as transformation trance by Dr. David Spiegel, is a therapeutic protocol that enhances control rather than diminishing it. It can improve sleep, performance, and serve as a tool against addiction, trauma, anxiety, and chronic pain. Dr. Spiegel, a leading expert in hypnosis, discusses the neurobiology of hypnosis and its various applications. He emphasizes that hypnosis is a naturally occurring state of focused attention with reduced peripheral awareness, differing from the misconceptions associated with stage hypnosis. Dr. Spiegel shares his background, including a misunderstanding with a different David Spiegel during a high-profile trial, and clarifies the distinction between clinical and stage hypnosis. He explains that hypnosis has historical roots dating back 250 years to Franz Anton Mesmer, who initially theorized about magnetic fields affecting health. Although Mesmer's theories were flawed, his work laid the groundwork for understanding hypnosis as a therapeutic tool. The conversation explores the mind-body connection in hypnosis, highlighting how individuals can dissociate and focus intensely, which can lead to cognitive flexibility and learning. Dr. Spiegel discusses hypnotizability, suggesting it may have genetic components and is influenced by early life experiences. He introduces the Spiegel test to gauge hypnotizability and explains the importance of eye movement in this context. The discussion shifts to self-hypnosis and the Reverie app developed by Dr. Spiegel's team, which offers interactive digital hypnosis for various issues, including stress and smoking cessation. He emphasizes the significance of language in hypnosis, aiming for clarity and positivity to enhance receptivity. Dr. Spiegel also reflects on his work with cancer patients, noting that facing mortality can lead to personal growth and improved mental health. He shares insights on the importance of acceptance in reducing anxiety and the potential benefits of psychedelics in enhancing receptivity to hypnosis. In conclusion, Dr. Spiegel encourages individuals to explore hypnosis as a low-risk method for addressing personal challenges, suggesting that it can provide new perspectives on problems and improve overall well-being. He advocates for finding trained professionals in clinical hypnosis and emphasizes the potential of self-hypnosis through tools like the Reverie app.

In this episode of the Huberman Lab podcast, Andrew Huberman interviews Dr. Shawn Mackey, a pain medicine expert at Stanford University. They explore the complex nature of pain, emphasizing its dual sensory and emotional components. Dr. Mackey highlights the distinction between nociception (the detection of harmful stimuli) and the subjective experience of pain, which is shaped by individual factors such as emotions, cognition, and past experiences. Chronic pain affects over 100 million Americans, leading to significant societal costs. The discussion covers various methods for pain management, including behavioral and psychological strategies, nutrition, supplementation, and medications. Dr. Mackey discusses the role of temperature in pain modulation, explaining how heat and cold can influence pain perception. He also addresses the controversial topic of opioids, clarifying their potential benefits in specific clinical situations while acknowledging their addictive nature and the ongoing opioid crisis. He emphasizes the importance of using opioids judiciously and in conjunction with other therapies. Dr. Mackey explains that pain is processed in a distributed network in the brain rather than a single pain center, and he discusses the mechanisms of common pain medications, including non-steroidal anti-inflammatory drugs (NSAIDs) and acetaminophen. He notes that while NSAIDs reduce inflammation, they do not directly alleviate pain. The conversation also touches on the importance of understanding the threshold for treating pain, which should be based on its impact on quality of life. The episode highlights the significance of psychological factors in pain management, with techniques like cognitive behavioral therapy (CBT) and mindfulness-based stress reduction being effective for many patients. Dr. Mackey advocates for a holistic approach to pain treatment, integrating physical, psychological, and social aspects of care. He emphasizes the need for collaboration among healthcare providers and the importance of patient education in managing pain. Dr. Mackey shares his personal experience with dietary triggers for pain, illustrating the role of nutrition in pain management. He discusses the potential benefits of certain over-the-counter supplements and the importance of individualized treatment plans. The conversation concludes with a call for better research and understanding of pain management strategies, including the need for comprehensive pain care models and the implementation of the National Pain Strategy to improve outcomes for individuals living with pain.

In this episode of the Broken Brain Podcast, host Dhru Purohit interviews Shawn Stevenson, author of "Sleep Smarter" and creator of the Model Health Show. Stevenson shares his personal journey with health issues, including a diagnosis of degenerative disc disease at age 20, which led him to explore the connection between diet, lifestyle, and healing. Initially told his condition was incurable, he sought second opinions and ultimately took control of his health by changing his diet, increasing hydration, and focusing on movement. Stevenson emphasizes the power of the mind, discussing the placebo and nocebo effects, and how belief can significantly impact health outcomes. He highlights the importance of nutrition, specifically the role of water and essential nutrients like magnesium and vitamin C in recovery. He also notes that sleep quality is crucial for overall health, as it affects hormone production and bodily repair processes. The conversation shifts to the significance of sleep hygiene and the cultural shift towards recognizing sleep's importance. Stevenson explains that many people overlook sleep quality in favor of quantity, leading to "junk sleep." He discusses the physiological processes that occur during sleep, including the brain's detoxification through the glymphatic system, and how sleep deprivation can lead to serious health issues, including obesity and cognitive decline. Stevenson provides practical tips for improving sleep, such as establishing a caffeine curfew, managing nutrient deficiencies, and optimizing sleep environments, including temperature control. He also addresses the impact of technology on sleep, advocating for screen time limits and the use of blue light-blocking tools. Finally, Stevenson discusses the need for greater diversity in wellness conversations and the importance of community engagement in promoting health. He encourages listeners to lead by example and share knowledge within their communities, emphasizing that collective health improvement benefits everyone.

David Spiegel, a psychiatrist and expert in hypnosis, shares insights about the history and applications of hypnosis, particularly in treating trauma and pain management. He recounts how his father, also a psychiatrist, learned hypnosis during World War II to help soldiers cope with combat stress and pain. Spiegel emphasizes that hypnosis involves heightened focus and cognitive flexibility, allowing individuals to reinterpret their experiences and manage symptoms effectively. He distinguishes hypnosis from meditation and flow states, noting that hypnosis is goal-oriented and involves suggestibility, while meditation promotes open presence. Spiegel explains that highly hypnotizable individuals can quickly absorb new information and change their perspectives, which is beneficial in therapeutic contexts. Spiegel discusses the neurobiological mechanisms behind hypnosis, highlighting its ability to modulate pain perception by altering brain activity. He notes that hypnosis can significantly reduce pain and stress, often more effectively than medications. He shares anecdotes of patients who experienced remarkable transformations through hypnosis, including a young girl with asthma and a veteran struggling with PTSD. He also addresses the potential of hypnosis in addiction treatment, stating that it can help individuals focus on positive behaviors rather than urges. Spiegel advocates for hypnosis as a first-line treatment option, given its favorable risk profile compared to pharmaceuticals. Spiegel introduces his app, Ry, designed to help users practice self-hypnosis for various issues, including pain and anxiety. He encourages people to explore hypnosis as a valuable tool for self-improvement and healing, emphasizing its underutilization in modern medicine. He concludes by recommending professional hypnosis societies and resources for those interested in learning more about hypnosis and its applications.

Dr. Ellen Langer, a Harvard psychology professor and author of *The Mindful Body*, discusses the profound impact of mindfulness on health and aging. She asserts that much of our deterioration is a product of mindlessness, suggesting that if we could awaken our awareness, life would significantly improve. Langer's research, spanning over 40 years, emphasizes the Mind-Body Connection, revealing that mental attitudes can reverse aging effects. She critiques the deterministic views of medical science, highlighting that doctors often cannot accurately predict life expectancy. Langer shares a current study where participants watch someone eat pizza, with one group counting chews and another imagining the sensory experience of eating. She posits that the latter may lead to weight loss, illustrating how mental engagement can influence physical outcomes. Her work challenges the dichotomy between mind and body, advocating for their unity, and she recounts personal anecdotes to illustrate this concept. She proposes that stress levels, independent of genetics or treatment, could predict cancer outcomes, emphasizing the importance of mental states in health. Langer critiques the medical community's resistance to integrating psychological insights into treatment, arguing that many health issues stem from mindlessness. One notable study involved participants watching a video of people coughing and sneezing, where those primed to expect a cold exhibited symptoms without a virus present. This underscores the power of belief in shaping health outcomes. Langer also discusses how language influences perception, particularly in medical contexts, and advocates for a shift in terminology to empower patients. In her vision for mindful hospitals and schools, Langer emphasizes creating environments that foster mindfulness, reduce stress, and enhance well-being. She believes that recognizing the variability of symptoms and experiences can lead to better health outcomes. Langer's insights encourage a reevaluation of how we perceive control, agency, and the interconnectedness of mind and body, ultimately promoting a more mindful approach to life and health.

David Robson discusses the impact of expectations on our lives, highlighting the distinction between the placebo effect and the broader expectation effect. Research shows that negative expectations can lead to self-fulfilling prophecies, affecting performance and health. For instance, people dieting often focus on deprivation, which can trigger hormonal responses that hinder weight loss. Robson emphasizes that cultural attitudes towards food, such as the French view of indulgence, contribute to differences in health outcomes. He also explores the phenomenon of gluten sensitivity, noting that some individuals experience symptoms based on expectations rather than actual intolerance. This expectation effect can manifest in various areas, including exercise and aging. Studies indicate that positive views on aging can extend life by about seven and a half years and reduce the risk of Alzheimer's disease. Robson suggests that understanding the science behind our experiences can help reframe negative feelings, such as anxiety or discomfort during exercise. He advocates for self-distancing techniques to cultivate a more objective perspective on our thoughts. Overall, he argues that knowledge and reframing can harness the expectation effect to improve well-being and performance in daily life.

In this episode of The Drive Podcast, Peter Attia and Andrew Huberman discuss recent scientific papers, focusing on the interpretation of research findings and the importance of critical thinking in understanding scientific literature. They emphasize the need for a deeper understanding of studies beyond just reading abstracts, highlighting the skills necessary to dissect and analyze research effectively. Peter introduces a paper titled "Reassessing the evidence of a survival advantage in type 2 diabetics treated with metformin compared with controls without diabetes," which critiques earlier findings that suggested metformin provided significant longevity benefits. He explains that metformin is a long-established medication for type 2 diabetes that works by inhibiting mitochondrial function, thereby reducing hepatic glucose output. The discussion touches on the mechanisms of insulin resistance and the role of exercise, sleep, and energy balance in managing diabetes. Andrew shares insights from a new study that re-evaluates the earlier findings on metformin's benefits, using a larger cohort from a Danish health registry. This study employs a twin design to control for genetic and environmental factors, aiming to provide a clearer picture of metformin's effects. The results indicate that while metformin users had a lower mortality rate compared to non-diabetics, the overall survival advantage was less pronounced than previously thought. They discuss the implications of these findings, including the limitations of observational studies and the challenges of controlling for confounding variables. The conversation shifts to the concept of belief effects, particularly in relation to drug efficacy. They explore how individuals' beliefs about the strength of a drug can influence their physiological responses, as demonstrated in a study where smokers vaped nicotine and reported effects based on their perceived dosage. This highlights the importance of psychological factors in pharmacology and the potential for belief to modulate drug effects. Throughout the episode, Peter and Andrew emphasize the complexity of interpreting scientific data and the necessity for ongoing research to clarify the benefits of medications like metformin. They conclude by acknowledging the need for humility in understanding the nuances of scientific findings and the importance of future studies, such as the TAME trial, which aims to provide more definitive answers regarding metformin's role in aging and longevity.

Teaching people to control pain, stress, anxiety, insomnia, and habits through hypnosis is a superior treatment method. Hypnosis, the oldest Western psychotherapy, involves focused attention and cognitive flexibility, allowing individuals to dissociate from distractions and gain control over their mind and body. In clinical settings, hypnosis can significantly reduce pain by altering the brain's interpretation of pain signals. For example, a pregnant woman experienced a reduction in back pain from a seven to a three out of ten by imagining warmth and comfort. Dr. David Spiegel developed the interactive hypnosis app, Reverie, to help individuals manage pain, stress, and habits independently. Hypnotizability varies among individuals, with about two-thirds of adults being somewhat hypnotizable. Techniques can be tailored based on a person's level of suggestibility. Hypnosis has proven effective for pain management, anxiety, and even mental health issues like PTSD, providing a safe alternative to medications, especially amid the opioid crisis. Despite substantial evidence supporting hypnosis, its adoption in medical practice remains limited. Dr. Spiegel emphasizes the importance of teaching patients to utilize their brains effectively, advocating for broader access to hypnosis through tools like Reverie.

Welcome to the Huberman Lab podcast. I'm Andrew Huberman, a professor at Stanford, discussing ketamine, a compound used clinically for depression, suicidality, and PTSD, but also commonly abused recreationally. We will explore its clinical benefits, risks, mechanisms of action, dosages, and delivery routes. Ketamine produces dissociative states and can change neural circuitry, providing rapid relief from depression. Its acute effects are part of a broader story involving long-term brain changes. Neuroplasticity, the nervous system's ability to adapt, is a key theme, particularly the role of brain-derived neurotrophic factor (BDNF), essential for learning and memory. Ketamine is similar to PCP, both being dissociative anesthetics. While ketamine can be miraculous for some in treating depression, it has a high potential for abuse. Recreational use often leads to "k-holes," a state of deep dissociation. The clinical use of ketamine has surged in the last decade, especially for treatment-resistant depression, as traditional antidepressants often fail to help many patients. Historically, depression treatment focused on the monoamine hypothesis, suggesting deficiencies in neurotransmitters like serotonin and dopamine cause depression. However, only about 40% of patients respond to traditional medications, highlighting the need for alternatives like ketamine. Early studies in the 2000s revealed ketamine's rapid antidepressant effects, often within minutes, lasting days. Ketamine acts as an NMDA receptor antagonist, paradoxically increasing neuroplasticity despite blocking a receptor critical for it. This occurs through reducing inhibition from certain neurons, allowing excitatory neurons to become more active, which can lead to mood improvements. BDNF plays a crucial role in this process, promoting changes in neural circuits. Additionally, ketamine binds to opioid receptors, suggesting its effects may involve both glutamate and opioid systems. Studies show that blocking opioid receptors diminishes ketamine's antidepressant effects, indicating their importance in its therapeutic action. Different delivery methods affect ketamine's efficacy, with injections providing more consistent results than oral or sublingual forms. Dosage sensitivity varies widely among individuals, and recreational use can lead to dangerous states if not monitored. Microdosing ketamine lacks clinical evidence for effectiveness in treating depression. Overall, ketamine offers rapid relief for some, but its use must be carefully managed to avoid addiction and adverse effects. Engaging in positive behaviors alongside treatment is essential for sustained improvement in mental health. Thank you for joining this discussion on ketamine.

Hypnosis is a state of focused attention that can significantly alter how the brain processes pain, sleep, and stress. David Spiegel discusses how hypnosis can be a powerful tool for pain management, emphasizing that pain is largely a brain interpretation of bodily signals. Users of the Reverie app report a 30% reduction in pain within 15 minutes of practicing self-hypnosis. In terms of sleep, hypnosis helps individuals dissociate physical tension from mental arousal, allowing for relaxation and improved sleep quality. Users often find it effective, with one user expressing that it was the first time in 15 years she had a good night's sleep. Stress management is another area where hypnosis can be beneficial, as it helps individuals control their physiological responses to stressors rather than being overwhelmed by them. Spiegel highlights the cognitive flexibility that comes with hypnosis, allowing individuals to view situations from different perspectives. This flexibility can be particularly useful in managing pain, as it enables people to reinterpret sensations. He cites a study published in The Lancet, where patients undergoing invasive procedures experienced significantly less pain and anxiety when using self-hypnosis compared to standard care, leading to faster procedure completion and reduced opioid use. The conversation also touches on the historical context of hypnosis, tracing its roots back to early practitioners like Franz Anton Mesmer. Spiegel notes that hypnosis has often been misunderstood, facing skepticism and prejudice, particularly regarding psychological issues. He argues that psychological pain is just as real as physical pain and can be effectively managed through hypnosis. Spiegel shares personal anecdotes, including his own experiences with hypnosis for pain management after surgery and his father's influence in the field. He emphasizes the importance of teaching individuals to collaborate with their healthcare providers and take control of their health through self-hypnosis. The discussion concludes with Spiegel encouraging people to explore hypnosis, particularly through the Reverie app, which offers accessible self-hypnosis tools. He stresses that hypnosis can be a valuable addition to traditional medical approaches, helping individuals manage pain, stress, and sleep issues effectively.

In this episode of the Huberman Lab podcast, Andrew Huberman discusses placebo, nocebo, and belief effects, emphasizing their significant impact on physiology and health. These effects illustrate how expectations can alter biological functions, such as heart rate and hormone release, independent of actual drug properties. Placebo effects occur when inert treatments improve symptoms, while nocebo effects worsen them. Belief effects arise from knowledge that alters expectations about outcomes. The prefrontal cortex plays a crucial role in these processes, acting as a prediction machine that evaluates context and expectations. Studies show that placebo effects can lead to measurable changes in dopamine levels, particularly in Parkinson's patients, where belief in treatment efficacy can enhance dopamine release. Additionally, the context of treatment—such as the packaging or invasiveness—can amplify placebo effects. Research indicates that belief systems can influence physiological responses, as demonstrated in studies where participants consuming the same milkshake experienced different hormonal responses based on their perceived calorie content. Another study highlighted how hotel workers who believed their daily activities were exercise experienced health benefits, reinforcing the idea that mindset can shape physiological outcomes. Genetic factors, such as variations in the COMT gene, also correlate with individual susceptibility to placebo effects, suggesting a biological basis for these phenomena. Overall, the podcast underscores that placebo effects are not merely psychological but involve real biological changes driven by expectations and beliefs.

In this episode of the Huberman Lab podcast, Andrew Huberman and Dr. Peter Attia conduct their first Journal Club, discussing two significant research papers. Dr. Attia focuses on a paper regarding Metformin, a drug commonly used for type 2 diabetes, and its potential longevity benefits. He explains that Metformin works by inhibiting mitochondrial complex one, which reduces hepatic glucose output, a key issue in type 2 diabetes. The discussion highlights a 2014 study by Bannister that suggested Metformin could provide a survival advantage for diabetics, showing a 15% reduction in all-cause mortality. However, Dr. Attia critiques this study for its methodological limitations, particularly its use of informative censoring, which excluded patients who deviated from the study criteria. Dr. Attia then introduces a new paper by Keys et al., which reassesses the findings of the Bannister study using a larger cohort from a Danish health registry. This study compares diabetics on Metformin with matched controls and discordant twins. The results indicate that diabetics on Metformin had a higher mortality rate compared to non-diabetics, with hazard ratios suggesting a 48% increased risk of death. The findings challenge the notion that Metformin provides significant protective benefits against mortality in type 2 diabetics. Huberman then presents a paper on the placebo effect, emphasizing that beliefs about treatment can influence physiological responses. The study demonstrates that the placebo effect can follow a dose-response relationship, meaning that the perceived strength of a treatment can enhance its effectiveness. This was illustrated through an experiment where participants vaped nicotine and reported their experiences based on the dosage they believed they received. The brain's response, measured through fMRI, showed that those who believed they received a higher dose exhibited greater activation in brain areas associated with attention and reward. The conversation explores the implications of these findings for understanding how beliefs can shape health outcomes, particularly in the context of medications and treatments. Dr. Attia and Huberman emphasize the importance of critically evaluating scientific literature and understanding the nuances of research methodologies. They conclude that while Metformin remains a valuable treatment for type 2 diabetes, its role in longevity is still uncertain, and the belief effects discussed could have broad applications in medicine and health practices.

In this episode of the Huberman Lab Podcast, Andrew Huberman discusses the senses of pain and pleasure, emphasizing their roles as opposite ends of a continuum. The skin, our largest sensory organ, plays a crucial role in detecting stimuli and processing sensations of pain and pleasure. Huberman highlights the importance of understanding the neural pathways involved in these sensations to enhance pleasure and reduce pain. A key focus is on dopamine, a neuromodulator associated with motivation and anticipation rather than pleasure itself. Huberman references research by Wolfram Schultz, which identifies the concept of reward prediction error, explaining that dopamine levels rise in anticipation of rewards but drop upon receiving them. This fluctuation can be harnessed to maintain motivation by employing intermittent reward schedules, which can enhance dopamine release and sustain motivation over time. The discussion then shifts to the biological mechanisms behind pain and pleasure. Huberman explains how sensory neurons in the skin send signals to the brain, where the somatosensory cortex interprets these signals. The brain's interpretation of these signals can be influenced by factors such as expectation, anxiety, sleep, and genetics. For instance, anticipation of pain can heighten the experience, while proper timing of warnings about impending pain can mitigate its perception. Huberman also addresses the subjective nature of pain, noting that individuals experience pain differently based on personal thresholds and experiences. He shares examples, including the phenomenon of phantom limb pain, to illustrate how perception and expectation can dramatically alter pain experiences. The podcast emphasizes that pain is not merely a physical sensation but a complex emotional experience influenced by various factors. The conversation includes insights into whole-body pain conditions like fibromyalgia, which have historically been misunderstood. Huberman mentions the role of glial cells and the toll 4 receptor in these conditions, highlighting ongoing research into potential treatments, including low-dose naltrexone and acetylcarnitine. Additionally, Huberman discusses non-drug approaches to pain management, such as acupuncture and hypnosis. He explains how acupuncture can activate neural circuits that modulate pain and how self-hypnosis can alter pain perception by engaging the prefrontal cortex. The podcast encourages listeners to explore these methods as viable options for pain relief. Huberman concludes by reiterating the importance of understanding the interplay between pleasure and pain, emphasizing that both experiences are governed by similar biological mechanisms. He encourages listeners to be mindful of their experiences and to consider how they can optimize their responses to pain and pleasure through various strategies, including intermittent rewards and self-hypnosis. The episode serves as a comprehensive exploration of the science behind pain and pleasure, offering practical insights for enhancing well-being.

Chemotherapy poses significant challenges for brain cancer patients due to the need for high doses to penetrate the blood-brain barrier. A new technology, developed by Dr. Brian Mogan and his team, can pass through this barrier and has potential applications for addiction treatment, particularly for veterans struggling with sleep and substance use issues. The technology, called Happy, uses recorded frequencies that mimic compounds like caffeine, THC, and melatonin, allowing users to experience effects without ingesting the substances. Dr. Mogan, a biomedical engineer with a PhD in brain-computer interfaces, explains that the technology originated from military research aimed at detecting small magnetic fields. The team discovered they could record the electromagnetic signatures of various compounds and then replay these signals to influence the body’s response as if the actual compounds were present. This approach has shown promise in treating conditions like anxiety and sleep disorders, with users reporting improved sleep quality. Happy's applications extend to performance enhancement for athletes, providing a way to manage anxiety and focus during competitions. The technology is being integrated into treatment plans for veterans, offering a non-invasive tool for managing addiction and mental health challenges. Future developments may include broader applications in medical settings, allowing healthcare providers to prescribe these frequency-based treatments instead of traditional medications. The technology is currently available for consumers, particularly those struggling with sleep issues.