#286 ‒ Journal club with Andrew Huberman: the impact of light exposure on mental health and an immunotherapy breakthrough for cancer treatment
Release Date: 01/22/2024
#329 ‒ Special AMA: Peter on exercise, important labs, building good habits, promising longevity research, and more
The Peter Attia Drive
In this special episode of The Drive, Peter tackles a wide range of listener questions submitted over the past year. The discussion spans essential topics such as exercise—covering grip strength, traveling workouts, and why Peter doesn’t consider exercise an ideal weight-loss strategy—and the top biomarkers everyone should track. He also explores promising new longevity research, his evolving views on longevity, and frameworks like “objective, strategy, tactics” for personalized decision-making. The episode wraps up with insights on building good habits and a glimpse into...
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#328 - AMA #66: Optimizing nutrition for health and longevity: myth of a “best” diet, complexities of nutrition science, and practical steps for building a sustainable diet
The Peter Attia Drive
In this "Ask Me Anything" (AMA) episode, Peter dives deep into one of the most frequently discussed and often misunderstood topics: nutrition. From weight loss and maintenance to the intricate relationship between nutrition and exercise and body composition, Peter addresses the complexities of nutrition research and explores the perennial question of whether there is a "best diet." He provides practical insights on how to choose the right diet for your unique needs, discusses the role of protein and processed foods, and outlines the key questions to help you optimize your approach to...
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#327 - Choices, costs, and challenges in US healthcare: insurance intricacies, drug pricing, economic impacts, and potential reforms | Saum Sutaria, M.D.
The Peter Attia Drive
Dr. Saum Sutaria is the Chairman and CEO of Tenet Healthcare and a former leader in McKinsey & Company’s Healthcare and Private Equity Practices, where he spent almost two decades shaping the field. In this episode, Saum unpacks the complexities of the U.S. healthcare system, providing a detailed overview of its structure, financial flows, and historical evolution. They delve into topics such as private insurance, Medicare, Medicaid, employer-sponsored coverage, drug pricing, PBMs and the administrative burdens impacting the system. Saum’s insights help connect healthcare spending...
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Optimizing life for maximum fulfillment | Bill Perkins (#237 rebroadcast)
The Peter Attia Drive
Bill Perkins is one of the world’s most successful hedge fund managers and entrepreneurs, and the author of the bestseller, Die With Zero. In this episode, Bill unpacks the Die With Zero philosophy which challenges conventional thinking related to the balance between health, wealth, and time—the three variables important for fulfillment. Bill makes the case that we should strive for maximum net fulfillment rather than net worth (or even health). He argues that we need to optimize our life to have memorable experiences before it’s too late and that most people are over-saving and...
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#326 - AMA #65: Red light therapy: promising applications, mixed evidence, and impact on health and aging
The Peter Attia Drive
In this “Ask Me Anything” (AMA) episode, Peter dives into the world of red light therapy in response to frequent questions from listeners. Peter provides a comprehensive exploration, starting with the basics of red light therapy and why it’s getting so much attention. The conversation examines the latest data on various applications, including aging, skin health, acne, wound healing, hair loss, eye health, exercise performance, metabolic health, weight loss, inflammation, injury recovery, and menstrual cramps. Peter analyzes the scientific literature on each use case and concludes...
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#325 ‒ Peter’s key takeaways on bone health, calorie restriction and energy balance, dopamine and addiction, gene editing, and testosterone therapy safety with a prostate cancer diagnosis | Quarterly Podcast Summary #3
The Peter Attia Drive
In this quarterly podcast summary (QPS) episode, Peter summarizes his biggest takeaways from the last three months of guest interviews on the podcast. Peter shares key insights from his discussions on diverse topics such as dopamine and addiction with Anna Lembke, the current state and exciting future of CRISPR-mediated gene editing with Feng Zhang, how to build and maintain strong bones from youth to old age with Belinda Beck, how calorie restriction may influence longevity and metabolic health with Eric Ravussin, and the role of testosterone and TRT in prostate cancer with Ted Schaeffer....
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#324 ‒ Metabolism, energy balance, and aging: How diet, calorie restriction, and macronutrients influence longevity and metabolic health | Eric Ravussin, Ph.D.
The Peter Attia Drive
Eric Ravussin is a world-renowned expert on obesity, metabolism, and aging whose pioneering research has shaped much of what we understand today about energy balance and caloric restriction. In this episode, Eric shares insights from his cutting-edge work on energy expenditure—a critical factor in understanding how our bodies regulate weight and appetite. He discusses methods for measuring energy output, energy balance, food intake, and appetite regulation, and explores key studies on macronutrient manipulation. Eric then delves into the CALERIE study on caloric restriction, highlighting...
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#323 - CRISPR and the future of gene editing: scientific advances, genetic therapies, disease treatment potential, and ethical considerations | Feng Zhang, Ph.D.
The Peter Attia Drive
Feng Zhang, a professor of neuroscience at MIT and a pioneering figure in gene editing, joins Peter to discuss his groundbreaking work in CRISPR technology, as well as his early contributions to optogenetics. In this episode, they explore the origins of CRISPR and the revolutionary advancements that have transformed the field of gene editing. Feng delves into the practical applications of CRISPR for treating genetic diseases, the importance of delivery methods, and the current successes and challenges in targeting cells specific tissues such as those in the liver and eye. He also covers the...
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#322 - Bone health for life: building strong bones, preventing age-related loss, and reversing osteoporosis with evidence-based exercise | Belinda Beck, Ph.D.
The Peter Attia Drive
Belinda Beck, founder of The Bone Clinic and a leading authority on exercise physiology and bone health, delves into the science of osteoporosis, bone density, and the lifelong importance of maintaining skeletal health. In this episode, she explains how the foundation for strong bones is established during childhood, offering valuable advice for parents on optimizing bone health for their kids. She also explores how bone remodeling occurs throughout life, driven by activity, nutrition, and hormones. Belinda highlights the power of resistance training in improving bone strength, even for...
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#321 – Dopamine and addiction: navigating pleasure, pain, and the path to recovery | Anna Lembke, M.D.
The Peter Attia Drive
Anna Lembke is the Chief of the Stanford Addiction Medicine Dual Diagnosis Clinic and author of Dopamine Nation: Finding Balance in the Age of Indulgence. In this episode, Anna dives deep into the biochemistry and neurobiology of addiction, exploring the critical role of dopamine and the prefrontal cortex. She shares her framework for diagnosing and treating addiction, providing real-world examples involving alcohol, gambling, cannabis, social media, and more. Anna outlines the risk factors for addiction, including inherited and nurture-based risks, explores the rise of addictions in...
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Andrew Huberman, professor of neurobiology at Stanford University and host of the Huberman Lab podcast, returns for another special journal club episode. Andrew introduces an observational study investigating the influence of light exposure on circadian clock regulation and its link to mental health, while Peter covers a phase III clinical trial employing immune checkpoint inhibitors for the treatment of metastatic cancer. They delve into the essential findings of their respective papers, elucidate the reasons for their enthusiasm, and tackle potential limitations and unanswered questions. Additionally, they provide valuable insights into their approaches for comprehending research studies, aiding listeners in independently navigating this process.
We discuss:
- The intricate relationship between light exposure, circadian rhythms, and mental health [3:30];
- The importance of low solar angle sunlight, and other types of light needed for optimal mental and physical health [12:00];
- Promising new lightbulb technology that simulates low solar angle sunlight [17:45];
- The significance of both darkness and the need for direct light exposure to the eyes, specifically [20:00];
- Some tips and advice regarding optimizing light exposure, blue blockers, and effects on circadian rhythm [22:15];
- Andrew presents a paper which suggests avoiding light at night and seeking light during the day is associated with better mental health [25:45];
- Examining the data: the negative impact of increasing nighttime light exposure and the positive effects of daytime light exposure [34:30];
- Statistical analysis: the importance of focusing not only on statistical significance but also clinical relevance, power analysis, error bar range, and more [45:45];
- Takeaways from the study of daytime and nighttime light exposure [49:45];
- The practicalities of minimizing light exposure and screen time at night, the use of sleep trackers, and overall challenge of modern, indoor lifestyles [55:15];
- Potential limitations of the light exposure study, reverse causality, and the complex interplay of variables in epidemiological studies [1:06:00];
- A tangent on diet soda and sugar substitutes as an example of reverse causality [1:13:15];
- Andrew and Peter’s take on the causality vs. correlation of light exposure to mental health, the damage of circadian disruption, and the interpretation of observational data [1:17:30];
- A primer on the immune system as background for the paper Peter chose [1:25:00];
- Background on cancer: causes, how it evades the immune system, and the logic behind immune checkpoint inhibitor therapy [1:35:45];
- Peter presents a paper on immune checkpoint inhibitor therapy in cancer patients [1:50:15];
- Unpacking the results of the checkpoint inhibitor trial [1:59:45];
- Other noteworthy observations, including the differing results between males and females [2:15:30];
- Adverse effects resulting from treatment with an immune checkpoint inhibitor targeting CTLA-4 [2:20:00];
- Why melanoma is especially responsive to immunotherapy, and the remarkable success story of immunotherapy for pancreatic cancer [2:25:15];
- Why immunotherapy may be the most important hope we have for treating cancer [2:35:30];
- Avoiding melanoma: the sunscreen debate, sunburn as the biggest risk factor, and more [2:38:45]; and
- More.
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