#323 - CRISPR and the future of gene editing: scientific advances, genetic therapies, disease treatment potential, and ethical considerations | Feng Zhang, Ph.D.
Release Date: 10/28/2024
#345 ‒ Chronic pain: pathways, treatment, and the path to physical and psychological recovery | Sean Mackey, M.D., Ph.D.
The Peter Attia Drive
Sean Mackey is a professor of pain medicine at Stanford University and the director of the Stanford Systems Neuroscience and Pain Lab, where his research explores the neural mechanisms of pain and the development of novel treatments for chronic pain. In this episode, Sean joins Peter for a wide-ranging discussion on the multifaceted nature of pain—as both a sensory and emotional experience—and its evolutionary purpose as a critical survival mechanism. He dives into how pain is transmitted through the nervous system, the different types of pain, and why different individuals perceive...
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#344 - AMA #70: Nicotine: impact on cognitive function, performance, and mood, health risks, delivery modalities, and smoking cessation strategies
The Peter Attia Drive
In this “Ask Me Anything” (AMA) episode, Peter dives deep into nicotine—a topic increasingly debated both scientifically and publicly. He clarifies the critical differences between nicotine and tobacco, highlighting why nicotine alone isn't primarily responsible for smoking's severe health consequences. Peter examines the specific risks associated with nicotine use, including addiction, sleep disruption, cardiovascular concerns, and effects on mood and anxiety. He evaluates various nicotine delivery methods, from traditional cigarettes to gums, pouches, and synthetic alternatives,...
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#343 – The evolving role of radiation: advancements in cancer treatment, emerging low-dose treatments for arthritis, tendonitis, and injuries, and addressing misconceptions | Sanjay Mehta, M.D.
The Peter Attia Drive
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The Peter Attia Drive
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#341 - Overcoming insomnia: improving sleep hygiene and treating disordered sleep with cognitive behavioral therapy for insomnia | Ashley Mason, Ph.D.
The Peter Attia Drive
Ashley Mason is a clinical psychologist and an associate professor at UCSF, where she leads the Sleep, Eating, and Affect (SEA) Laboratory. In this episode, Ashley provides a masterclass on cognitive behavioral therapy for insomnia (CBT-I), detailing techniques like time in bed restriction, stimulus control, and cognitive restructuring to improve sleep. She explains how to manage racing thoughts and anxiety, optimize sleep environments, and use practical tools like sleep diaries to track progress. She also offers detailed guidance on sleep hygiene; explores the impact of temperature...
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#340 - AMA #69: Scrutinizing supplements: creatine, fish oil, vitamin D, and more—a framework for understanding effectiveness, quality, and individual need
The Peter Attia Drive
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#339 - Unpacking trauma: How early wounds shape behavior and the path toward healing | Jeff English
The Peter Attia Drive
Jeff English is a trauma-focused clinical counselor with extensive experience working with adults, teens, families, and groups across various settings, including career counseling, life coaching, addiction recovery, professional workshops, and private practice. In this episode, Jeff shares insights from his work as a trauma therapist, exploring how moments of perceived helplessness shape behaviors and how adaptive strategies can become maladaptive over time. He discusses the concept of the “trauma tree,” examining its roots (causes) and branches (consequences), and highlights a powerful...
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#338 ‒ Peter’s takeaways on aerobic exercise and VO2 max, insulin resistance, rising healthcare costs, treating children with autism and ADHD, and strength training | Quarterly Podcast Summary #4
The Peter Attia Drive
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The Peter Attia Drive
Ralph DeFronzo is a distinguished diabetes researcher and clinician whose groundbreaking work on insulin resistance has reshaped the understanding and treatment of type 2 diabetes. In this episode, Ralph shares insights from his five decades of research, including his pivotal role in bringing metformin to the U.S. and developing SGLT2 inhibitors. Ralph explores the impacts of insulin resistance on specific organs, the pharmacologic interventions available, and the gold-standard euglycemic clamp method for measuring insulin resistance. This episode is a masterclass in the pathophysiology and...
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#336 - AMA #68: Fasting, well-balanced diets, alcohol, exercise for busy people, wearables, emotional health, assessing cardiovascular health, and more
The Peter Attia Drive
In this “Ask Me Anything” (AMA) episode, Peter tackles a diverse set of listener-submitted questions, covering a wide range of health and performance topics. He dives into assessing cardiovascular health, discussing key biomarkers and risk factors, and breaks down various fasting approaches, including time-restricted eating and prolonged fasting. The conversation also explores the impact of alcohol on health and disease risk, fundamental principles of nutrition, and optimal protein intake. Additionally, he examines the pros and cons of ketogenic and low-carb diets, strategies for...
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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 ethical implications of gene editing, including the debate around germline modification, as well as reflections on Feng’s personal journey, the impact of mentorship, and the future potential of genetic medicine.
We discuss:
- Feng’s background, experience in developing optogenetics, and his shift toward improving gene-editing technologies [2:45];
- The discovery of CRISPR in bacterial DNA and the realization that these sequences could be harnessed for gene editing [10:45];
- How the CRISPR system fights off viral infections and the role of the Cas9 enzyme and PAM sequence [21:00];
- The limitations of earlier gene-editing technologies prior to CRISPR [28:15];
- How CRISPR revolutionized the field of gene editing, potential applications, and ongoing challenges [36:45];
- CRISPR’s potential in treating genetic diseases and the challenges of effective delivery [48:00];
- How CRISPR is used to treat sickle cell anemia [53:15];
- Gene editing with base editing, the role of AI in protein engineering, and challenges of delivery to the right cells [1:00:15];
- How CRISPR is advancing scientific research by fast-tracking the development of transgenic mice [1:06:45];
- Advantages of Cas13’s ability to direct CRISPR to cleave RNA and the advances and remaining challenges of delivery [1:11:00];
- CRISPR-Cas9: therapeutic applications in the liver and the eye [1:19:45];
- The ethical implications of gene editing, the debate around germline modification, regulation, and more [1:30:45];
- Genetic engineering to enhance human traits: challenges, trade-offs, and ethical concerns [1:40:45];
- Feng’s early life, the influence of the American education system, and the critical role teachers played in shaping his desire to explore gene-editing technology [1:46:00];
- Feng’s optimism about the trajectory of science [1:58:15]; and
- More.
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