Matt Kaeberlein reflects on "David Sinclair’s Longevity Lie" | 62 - Longevity Reacts #5

Subscribe to our channel: https://www.youtube.com/@optispan In this Part 1 episode, Matt and Brian Kennedy cover various aspects of aging research, including the connection between the immune system and aging, the role of inflammation, the potential of supplements and wearables in healthspan, and insights on longevity interventions. They also discuss the challenges in the field regarding clinical practices, the influence of AI on aging research, and personal experiences with health optimization. This is Part 1 of a two-part series—stay tuned for even more in the next episode. 00:00 Intro 02:02 What is the connection between the immune system and aging? 05:10 What’s your take on rapamycin for Parkinson’s Disease? 06:08 What about the longevity benefits of high-dose vitamin D? 08:30 Are wearable devices effective for longevity-focused individuals? 11:00 What model organisms are promising for aging research? 13:19 What do you think about maldovan dragon head extract? 14:50 How can we measure intervention success in aging? 16:23 What are your thoughts on Greg Fa’s thymus trials? 21:52 Can the difference in life expectancy between men and women be explained by body size? 24:25 Is resveratrol in food the same as in supplements? 27:45 What are your thoughts on omega-3 supplementation? 30:11 How critical is genomic instability in aging? 33:15 What is the best book on health and longevity? 35:20 What exciting research should people pay attention to? 38:54 What criticisms do you have of the aging research field? 41:31 Any recommended supplements for individuals 50+? 43:27 How can someone manage stress levels? 52:15 How can underweight individuals gain weight healthily? 55:08 Did you take the biological age test at the same time of day? 01:00:13 What’s the best way to increase grip strength? 01:02:07 Are you dropping the use of the true diagnostics test in your program? 01:09:04 Are there clinically verified microbiome tests? 01:12:40 Is aging an autoimmune disease? 01:14:13 Are there lifespan-extending interventions without anti-inflammatory properties? 01:15:40 How likely is it to extend lifespan with lifestyle changes? 01:17:34 Should individuals consider GLP-1 agonists for weight control? 01:20:18 What is AI’s potential impact on aging research? 01:25:38 What’s your vision for the future of this channel? Producers: Tara Mei, Nicholas Arapis Video Editor: Jacob Keliikoa DISCLAIMER: The information provided on the Optispan podcast is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this channel. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this channel. The hosts and guests on this channel are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices. More places to find us: Twitter: https://twitter.com/optispanpodcast Twitter: https://twitter.com/optispan Twitter: https://twitter.com/mkaeberlein Linkedin: https://www.linkedin.com/company/optispan Instagram: https://www.instagram.com/optispanpodcast/ TikTok: https://www.tiktok.com/@optispan https://www.optispan.life/

Subscribe to our channel: https://www.youtube.com/@optispan In this episode of the Optispan Podcast, Matt Kaeberlein shares his experience of undergoing a whole body MRI, discussing its potential as a screening and preventative tool for health optimization. He covers the benefits and drawbacks of whole body MRIs, shares specific details about his experience with the provider Ezra, and reflects on his results, emphasizing the importance of having quality follow-up care. Kaeberlein concludes with advice on avoiding overpriced MRI packages marketed by influencers. 0:00 Introduction to Whole Body MRI. 1:03 Why Whole Body MRI is considered for health optimization. 2:06 Integration of Artificial Intelligence in MRI diagnostics. 3:06 Pros and cons of Whole Body MRI. 4:08 Comparison of MRI providers: Pruvo vs. Ezra. 10:54 MRI process experience at Reyes Radiology clinic. 11:57 Overview of MRI results and key findings. 15:08 Insights and feedback on provider follow-up care. 18:15 Costs and value assessment of the service. 22:57 Final thoughts on Whole Body MRI, recommendations, and conclusions. Producers: Tara Mei, Nicholas Arapis Video Editor: Jacob Keliikoa DISCLAIMER: The information provided on the Optispan podcast is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this channel. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this channel. The hosts and guests on this channel are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices. More places to find us: Twitter: https://twitter.com/optispanpodcast Twitter: https://twitter.com/optispan Twitter: https://twitter.com/mkaeberlein Linkedin: https://www.linkedin.com/company/optispan Instagram: https://www.instagram.com/optispanpodcast/ TikTok: https://www.tiktok.com/@optispan https://www.optispan.life/ Hi, I'm Matt Kaeberlein. I spent the first few decades of my career doing scientific research into the biology of aging, trying to understand the finer details of how humans age in order to facilitate translational interventions that promote healthspan and improve quality of life. Now I want to take some of that knowledge out of the lab and into the hands of people who can really use it. On this podcast I talk about all things aging and healthspan, from supplements and nutrition to the latest discoveries in longevity research. My goal is to lift the veil on the geroscience and longevity world and help you apply what we know to your own personal health trajectory. I care about quality science and will always be honest about what I don't know. I hope you'll find these episodes helpful!

In the final installment of this three-part series, Matt and Kim Celmer explore the essential topic of hormonal health for women, highlighting its impact on both overt and silent symptoms of hormonal changes. Celmer offers practical advice for initiating meaningful conversations with healthcare providers about hormone levels with both diving into the intricacies of hormone replacement therapy (HRT)—what it is, how it works, and its potential benefits and risks. Addressing public concerns, they discuss the relationship between HRT and breast cancer, dosing considerations, and what care might look like for women seeking treatment. The episode concludes with thought-provoking questions and potential directions for future clinical research on hormones and health outcomes. Kim Celmer, ND, is a naturopathic doctor specializing in primary care. After earning her doctorate from Bastyr University, she completed a residency in naturopathic medicine at the Institute of Complementary Medicine in Seattle, focusing on integrative approaches to hormone health, digestive wellness, and chronic disease management. Time Stamps: 0:00 Introduction 0:12 Unlocking hormonal health – Key monitoring recommendations for women 13:15 Starting the conversation – How to talk hormones with your doctor 15:11 Testosterone therapy – What results should you expect? 23:48 Hormone replacement therapy – Tackling public concerns and myths 35:21 Women’s hormone therapy – A closer look at what it involves 39:34 Essential hormone tests – What you need to know 41:59 Final thoughts and Takeaways Producers: Tara Mei, Nicholas Arapis Video Editor: Jacob Keliikoa DISCLAIMER: The information provided on the Optispan podcast is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this channel. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this channel. The hosts and guests on this channel are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices. More places to find us: Twitter: https://twitter.com/optispanpodcast Twitter: https://twitter.com/optispan Twitter: https://twitter.com/mkaeberlein Linkedin: https://www.linkedin.com/company/optispan Instagram: https://www.instagram.com/optispanpodcast/ TikTok: https://www.tiktok.com/@optispan https://www.optispan.life/ Hi, I'm Matt Kaeberlein. I spent the first few decades of my career doing scientific research into the biology of aging, trying to understand the finer details of how humans age in order to facilitate translational interventions that promote healthspan and improve quality of life. Now I want to take some of that knowledge out of the lab and into the hands of people who can really use it. On this podcast I talk about all things aging and healthspan, from supplements and nutrition to the latest discoveries in longevity research. My goal is to lift the veil on the geroscience and longevity world and help you apply what we know to your own personal health trajectory. I care about quality science and will always be honest about what I don't know. I hope you'll find these episodes helpful!

Subscribe to our channel: https://www.youtube.com/@optispan Matt Kaeberlein & Nick Arapis discuss the potential of new drugs aimed at extending the lifespan of dogs and cats. The conversation highlights recent advancements, including Loyal’s injection-based treatment targeting the IGF-1 hormone, which may add years to a dog’s life. They also address misconceptions regarding claims about cat lifespan extensions, emphasizing the lack of scientific backing for such assertions. The episode underscores the importance of grounded scientific communication and the excitement surrounding longevity-based advancements. 0:00 - Intro to the episode 1:10 - Mention of cat lifespan drug claims 3:00 - Overview of research on igf-1 signaling 4:15 - Differences in aging depending on size 5:00 - Discussions on caloric restriction 6:30 - Cat food and AIM protein 8:00 - Skepticism about lifespan increase claims 9:30 - Final thoughts on aging research Producers: Tara Mei, Nicholas Arapis Video Editor: Jacob Keliikoa DISCLAIMER: The information provided on the Optispan podcast is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this channel. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this channel. The hosts and guests on this channel are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices. More places to find us: Twitter: https://twitter.com/optispanpodcast Twitter: https://twitter.com/optispan Twitter: https://twitter.com/mkaeberlein Linkedin: https://www.linkedin.com/company/optispan Instagram: https://www.instagram.com/optispanpodcast/ TikTok: https://www.tiktok.com/@optispan https://www.optispan.life/ Hi, I'm Matt Kaeberlein. I spent the first few decades of my career doing scientific research into the biology of aging, trying to understand the finer details of how humans age in order to facilitate translational interventions that promote healthspan and improve quality of life. Now I want to take some of that knowledge out of the lab and into the hands of people who can really use it. On this podcast I talk about all things aging and healthspan, from supplements and nutrition to the latest discoveries in longevity research. My goal is to lift the veil on the geroscience and longevity world and help you apply what we know to your own personal health trajectory. I care about quality science and will always be honest about what I don't know. I hope you'll find these episodes helpful!

Subscribe to our channel: https://www.youtube.com/@optispan In this episode of the Optisan Podcast, Dr. George Sutphin discusses biological age tests, focusing on epigenetic and glycan age assessments. The conversation explores the accuracy, relevance, and implications of these tests for understanding biological versus chronological age. Key topics include the limitations of current biomarkers, the impact of lifestyle on aging metrics, and the challenges of interpreting results. The discussion emphasizes the need for caution in marketing claims and the importance of scientific validation in biological age testing. 00:00 - Intro 00:36 - Discussion on biological age tests 04:10 - Defining biomarkers of aging 07:21 - The role of epigenetics in biological aging 10:25 - Skepticism about consumer marketed tests 15:07 - Results from Dr. Sutphin's epigenetic age test 18:51 - Discussion on diet, exercise, and stress 22:30 - Emotional impact of biological age results 26:03 - Summary of organ age results from glycan age test 30:17 - Variability in test results and implications 33:08 - Exploring additional biomarkers for biological age 40:11 - Final thoughts on glycan age and epigenetic clocks 45:21 - Conclusion and takeaways from the discussion Producers: Tara Mei, Nicholas Arapis Video Editor: Jacob Keliikoa DISCLAIMER: The information provided on the Optispan podcast is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this channel. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this channel. The hosts and guests on this channel are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices. More places to find us: Twitter: https://twitter.com/optispanpodcast Twitter: https://twitter.com/optispan Twitter: https://twitter.com/mkaeberlein Linkedin: https://www.linkedin.com/company/optispan Instagram: https://www.instagram.com/optispanpodcast/ TikTok: https://www.tiktok.com/@optispan https://www.optispan.life/ Hi, I'm Matt Kaeberlein. I spent the first few decades of my career doing scientific research into the biology of aging, trying to understand the finer details of how humans age in order to facilitate translational interventions that promote healthspan and improve quality of life. Now I want to take some of that knowledge out of the lab and into the hands of people who can really use it. On this podcast I talk about all things aging and healthspan, from supplements and nutrition to the latest discoveries in longevity research. My goal is to lift the veil on the geroscience and longevity world and help you apply what we know to your own personal health trajectory. I care about quality science and will always be honest about what I don't know. I hope you'll find these episodes helpful!

Subscribe to our channel: https://www.youtube.com/@optispan In this episode with our guest Dr. Thomas Seager, we delve into the transformative power of cold plunge therapy and its profound effects on resilience and longevity. We explore real-life case studies, including lessons learned from infrastructure failures like Hurricane Katrina and the Oroville Dam crisis. Discover how psychological resilience shapes our responses to stress, the importance of hormesis in health, and the role of brown fat in metabolism. We also discuss the impact of fasting, caloric restriction, and the relationship between mitochondrial health and aging. 00:00 - Introduction to Cold Plunge and Resilience 03:33 - Types of Stress & Responses 14:18 - Mitochondrial Health, Caloric Restriction & Metabolism 23:05 - Cold Therapy and Brown Fat 54:10 - Conclusions & Final Thoughts Producers: Tara Mei, Nicholas Arapis Video Editor: Jacob Keliikoa DISCLAIMER: The information provided on the Optispan podcast is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this channel. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this channel. The hosts and guests on this channel are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices. More places to find us: Twitter: https://twitter.com/optispanpodcast Twitter: https://twitter.com/optispan Twitter: https://twitter.com/mkaeberlein Linkedin: https://www.linkedin.com/company/optispan Instagram: https://www.instagram.com/optispanpodcast/ TikTok: https://www.tiktok.com/@optispan https://www.optispan.life/ Hi, I'm Matt Kaeberlein. I spent the first few decades of my career doing scientific research into the biology of aging, trying to understand the finer details of how humans age in order to facilitate translational interventions that promote healthspan and improve quality of life. Now I want to take some of that knowledge out of the lab and into the hands of people who can really use it. On this podcast I talk about all things aging and healthspan, from supplements and nutrition to the latest discoveries in longevity research. My goal is to lift the veil on the geroscience and longevity world and help you apply what we know to your own personal health trajectory. I care about quality science and will always be honest about what I don't know. I hope you'll find these episodes helpful!

Subscribe to our channel: https://www.youtube.com/@optispan Related Episode(s):Biological Age & what it REALLY means | 9 - Longevity Science #3: https://youtu.be/DcxgEwQKx8Q?si=y1iF4RviJc0n__gW In this deep dive, Matt examines the growing trend of direct-to-consumer biological (epigenetic) age testing kits, exploring their purpose, popularity, and limitations. He outlines his experimental design to evaluate the accuracy and precision of these tests, addressing important questions about what they truly measure and how reliable they are. Matt unpacks the difference between biological and chronological age, discusses the co-marketing strategies employed by these companies, and reflects on his own results to provide a critical perspective on the value of these kits. 0:00 Introduction 2:17 Experimental Design 3:03 Key Questions 5:15 Marketing Strategies of Bio-Age Companies 6:15 Biological Age vs. Chronological Age 6:49 Measuring Biological Age 8:32 Limitations of Epigenetic Clocks 13:23 Accuracy and Precision 15:49 Data Analysis 19:22 Matt’s Biological Age Results 22:53 Key Takeaways 24:50 Sanity Checks 31:58 Conclusions Producers: Tara Mei, Nicholas Arapis Video Editor: Jacob Keliikoa DISCLAIMER: The information provided on the Optispan podcast is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this channel. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this channel. The hosts and guests on this channel are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices. More places to find us: Twitter: https://twitter.com/optispanpodcast Twitter: https://twitter.com/optispan Twitter: https://twitter.com/mkaeberlein Linkedin: https://www.linkedin.com/company/optispan Instagram: https://www.instagram.com/optispanpodcast/ TikTok: https://www.tiktok.com/@optispan https://www.optispan.life/ Hi, I'm Matt Kaeberlein. I spent the first few decades of my career doing scientific research into the biology of aging, trying to understand the finer details of how humans age in order to facilitate translational interventions that promote healthspan and improve quality of life. Now I want to take some of that knowledge out of the lab and into the hands of people who can really use it. On this podcast I talk about all things aging and healthspan, from supplements and nutrition to the latest discoveries in longevity research. My goal is to lift the veil on the geroscience and longevity world and help you apply what we know to your own personal health trajectory. I care about quality science and will always be honest about what I don't know. I hope you'll find these episodes helpful!

Subscribe to our channel: https://www.youtube.com/@optispan In this episode, Matt sits down with Thomas Seager, an associate professor at Arizona State University (ASU), to explore the challenges and future directions of healthcare. Drawing from his background in environmental engineering and public health, Thomas discusses the pressing health issues affecting longevity in Americans and a potential shift from a reactive healthcare model to one that emphasizes proactive health management. Together, Matt and Thomas examine the complexities of early disease detection, the promise and limitations of AI in analyzing biomarkers, and the difficulties of separating reliable information from misinformation in today’s digital landscape. Thomas shares his personal experiences with biomarkers and resilience practices, such as cold exposure therapy, while he and Matt discuss the biases in medical research and differing approaches to health. Thomas is an Associate Professor at ASU in the School of Sustainable Engineering and the Built Environment. His research focuses on sustainable engineering and resilience, addressing topics such as infrastructure resilience, sustainable energy systems, and environmental ethics. He is also the co-founder of Morozko Forge, a company that promotes cold immersion therapy as a means of supporting metabolic resilience. 0:00 Introduction 2:34 Environmental engineering and public health 6:29 Major health crises affecting longevity 10:30 Public’s evolving views on modern healthcare 11:45 “Repair Shop” mentality in medicine 12:59 Two key questions: Advancing proactive medicine and filtering out misinformation 16:00 Understanding biomarkers 18:35 Weighing the risks and rewards of early detection 25:10 Japan’s 1991 Cold Stimulation Study 31:10 Bias and skepticism in medical research—different perspectives 39:12 The positivist approach to hypothesis-driven work Producers: Tara Mei, Nicholas Arapis Video Editor: Jacob Keliikoa DISCLAIMER: The information provided on the Optispan podcast is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this channel. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this channel. The hosts and guests on this channel are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices. More places to find us: Twitter: https://twitter.com/optispanpodcast Twitter: https://twitter.com/optispan Twitter: https://twitter.com/mkaeberlein Linkedin: https://www.linkedin.com/company/optispan Instagram: https://www.instagram.com/optispanpodcast/ TikTok: https://www.tiktok.com/@optispan https://www.optispan.life/