In this episode of Longevity by Design, host Dr. Gil Blander is joined by Dr. Morten Scheibye-Knudsen, a leading figure in aging research. Dr. Scheibye-Knudsen discusses his groundbreaking research on the role of DNA damage in the aging process and its implications for chronic diseases, aging research, and longevity medicine. The goal of his work is "to discover interventions leading to healthier, happier, and more productive lives."

Dr. Scheibye-Knudsen's work is on understanding normal and premature aging, with a focus on the pivotal role of DNA damage in the aging process and interventions for healthier aging. By combining computational methods with laboratory experiments, his team explores innovative strategies to target DNA and counteract aging processes. This conversation illuminates the intricate relationship between DNA damage, aging, and chronic diseases. 

Dr. Scheibye-Knudsen also discusses the impact of lifestyle (diet, exercise, sleep, social factors) on aging. He goes on to describe his work using data-driven approaches to better understand aging and developing interventions, including identifying novel targets and drugs, for healthier aging. Additionally, he explains what longevity medicine is and the importance of educating clinicians and politicians on this topic to translate research on aging into healthcare and improve people’s healthspan and lifespan. Dr. Scheibye-Knudsen's dedication to unraveling the mysteries of aging is advancing scientific knowledge, which has tangible benefits for global health and longevity.

Episode timestamps

• Introduction: 00:00-03:06
• What led Dr. Morten Scheibye-Knudsen to become a scientist?: 03:07-04:37
• Could please give us an overview of the research you are doing?: 04:38-05:54
• What is DNA damage, and what causes it?: 05:55-07:54
• What do we know about the influence of DNA damage on aging and age-related diseases?: 07:55-09:41
• Can DNA damage be repaired? 09:42-14:14
• What questions are your research group asking to better understand DNA damage and repair and their effects on aging?: 14:15-16:22
• What is NAD, and why is it relevant to aging and age-related diseases?: 16:23-19:56
• What are the benefits and risks of NR and NMN supplements in humans?: 19:57-24:50
• What is a ketogenic diet? What are the effects of a ketogenic diet or ketones on DNA damage or repair and aging?: 24:51-31:08
• What is the effect of a ketogenic diet on cancer?: 31:09-32:29
• What is the Aging Research and Drug Discovery (ARDD) conference and its mission?: 32:30-40:43
• What are the most prevalent features of aging?: 40:44-47:54
• Are there differences in aging between females and males?: 47:55-50:21
• Are there differences in tissue aging trajectories?: 50:22-54:01
• Identifying compounds that target aging: 54:02-56:16
• Can nuclear morphology predict cellular senescence and cancer?: 56:17-01:04:04
• What is longevity medicine, and why is it so important for physicians?: 01:04:05-01:07:25
• What pharmaceutical drugs are the most promising for targeting aging to extend human healthspan and lifespan?: 01:07:26-01:12:00
• How important are lifestyle factors such as nutrition, physical activity and exercise, sleep, and social engagement and connections for human healthspan and lifespan?: 01:12:01-01:16:39
• Dr. Morten Scheibye-Knudsen’s top tip for health: 01:16:40-01:18:22

Do you know what senescent (zombie) cells are and how cellular senescence and senolytics impact health? In this episode of Longevity by Design, hosts Ashley Reaver and Dr. Gil Blander are joined by Dr. James Kirkland from the Mayo Clinic, one of the world's leading figures in aging research. This episode is a deep dive into aging research, cellular senescence, and senolytics. Dr. Kirkland discusses the impact of cellular aging (senescence) on healthspan and his discovery of the first senolytic agents that remove senescent cells and extend healthspan, illuminating his pioneering work in aging research.

Dr. Kirkland shares insights into the science of cellular senescence and how selectively eliminating these cells could revolutionize the treatment of age-related chronic diseases. He sheds light on the mechanisms behind senolytics and their promise for extending healthspan. The discussion also touches on the importance of lifestyle factors like diet and exercise in managing senescent cells. 

Dr. Kirkland also discusses geroscience, a research paradigm that seeks to understand the mechanisms of aging and how this knowledge can be used to slow the rate of aging, reverse its effects, delay or even cure age-related diseases, and extend healthspan. T Dr. Kirkland also covers the challenges and opportunities in translating these scientific discoveries into clinical applications, emphasizing the critical role of interdisciplinary efforts in advancing our understanding and management of aging.

This is an enlightening episode with Dr. Kirkland on aging research and the opportunities to revolutionize healthcare by combating aging-related diseases and extending people’s health span and lifespan.

Timestamps:

• Introduction: 00:00-03:49
• What led Dr. James Kirkland to become a physician-scientist and become interested in aging research?: 03:50-05:24
• What is geroscience, and what are fundamental aging processes?: 05:25-09:17
• What are the differences between targeting aging vs. the traditional medical system of waiting to treat illnesses or diseases after they occur?: 09:18-12:39
• What are gerotherapeutics, and what is their relevance for healthspan and lifespan?: 12:40-16:10
• What are senescent cells? What is the impact of senescent cells on the body and aging: 16:11-26:39
• What are senolytics? How do senolytics work to target senescent cells to remove them?: 26:40-35:05
• How Dr. James Krikland discovered senolytics such as fisetin, quercetin, and dasatinib? What clinical trials on the effects of senolytics in humans have been done? 36:06-40:47
• Discovering biomarkers for senescent cells: 40:48-42:37
• What are some important factors to consider on the effects of gerotherapeutics and senolytics on lifespan and healthspan in model organisms compared to humans?: 40:38-47:39
• The potential for geroscience and gerotherapeutics, such as senolytics, to transform healthcare. What is the importance and what are some challenges of conducting clinical trials on gerotherapeutics, such as senolytics, to improve healthspan in humans?: 47:40-56:15
• What is the Translational Geroscience Network, and what are its goals?: 56:16-01:02:01
• How might senolytics be used clinically in the future if proven safe and effective? What conditions might they benefit?: 01:02:02–01:05:57
• What are the effects of lifestyle, such as diet and exercise, on senescent cells?: 01:05:58-01:06:52
• What excites Dr. James Kirkland the most about the potential for extending people's healthspan and lifespan with therapies, drugs, or interventions in the coming years?: 01:06:53-01:07:41
• Dr. Kirkland’s top tip for health? 01:07:42-01:12:14

This episode of Longevity by Design discusses mental health and suicide risk and prevention. The following topics are discussed: depression, suicide, substance abuse, social isolation, among others also. This episode is intended to raise awareness of mental health issues and suicide risk and prevention. The topics discussed may be distressing or triggering for some individuals. Please proceed with caution if you continue to listen to this episode.

Our mental health is vital for healthspan and lifespan, yet mental health and suicide remain difficult topics for many. In this enlightening episode of Longevity by Design, host Dr. Gil Blander welcomes Dr. Peter Franz to explore the profound connection between aging, mental health, and suicide. Dr. Franz, an expert in mental health and suicide risk and prevention, shares insights on the prevalence of mental health issues and their impact on our lifespan and healthspan. Through an engaging discussion, they shed light on the critical need for understanding and addressing mental health to live longer, healthier lives.

The conversation dives into the statistics on mental health and suicide, highlighting how these issues are more common and impactful than many may realize. Dr. Franz emphasizes the importance of raising awareness on these issues, accessible resources and interventions, and the role of social support in combating isolation—a significant factor in mental health deterioration and increased suicide risk. He also discusses other major risk factors for mental health and suicide risk, including the effect of age. The discussion also addresses barriers to seeking mental health care and the stigmatization surrounding these topics.

Dr. Franz offers practical advice on mental health and suicide prevention, stressing the importance of social support and seeking professional help when needed. He advocates for a holistic approach to health, including social connections and engagement, and the significance of the inextricable link between our mental health and physical health. This episode not only educates on the links between aging, mental health, and suicide risk and prevention but also encourages listeners to take proactive steps toward mental wellness, underscoring the message that taking care of one's mental health is essential for living a long, healthy, and fulfilling life.

Can we find ways to target human aging and extend healthspan? This ambitious premise is at the heart of XPRIZE Healthspan, a 7-year, $101 million global competition with an audacious challenge: to successfully develop a proactive, accessible therapeutic that restores muscle, cognitive, and immune function by a minimum of 10 years, with a goal of 20 years, in persons aged 65-80 years, in one year or less.

In this episode of Longevity by Design, hosts Ashley Reaver and Dr. Gil Blander spoke with Dr. Jamie Justice, Executive Vice President of the Health Domain at XPRIZE, and Executive Director of XPRIZE Healthspan. The conversation sheds light on the emerging scientific evidence and paradigm-shifting concept for therapeutic interventions to extend healthspan and lifespan by targeting aging, rather than one age-related disease at a time. Dr. Justice also discusses her career journey and the XPRIZE Healthspan competition, in which she is leading international networks to drive innovative solutions to improve human health and aging that is affordable and accessible to all.

The conversation also explores the intersection of art and science in Dr. Justice's work. She emphasizes the role of creativity in scientific discovery, suggesting that a holistic approach is essential for groundbreaking achievements in aging research. The episode wraps up with Dr. Justice emphasizing a holistic approach for good health. This episode is a must-listen for anyone interested in aging and healthspan and the innovative work being done by XPRIZE.

Episode timestamps

• Introduction: 00:00-02:08
• What led Dr. Jamie Justice to become a scientist?: 02:09-06:55
• How did Dr. Jamie Justice get interested in aging, healthspan, and longevity research?: 06:56-13:14
• What kind of research did Dr. Jamie Justice do before becoming the EVP of the Health Domain at XPRIZE Foundation?: 13:15-26:09
• What is XPRIZE?: What is the mission of XPRIZE? Why did Dr. Jamie Justice join XPRIZE?: 26:10-35:36
• What is XPRIZE Healthspan?: 35:37-45:46
• How is XPRIZE uniquely positioned to advance and facilitate innovative solutions to improve human health and aging?: 45:47-49:54
• What are the phases of XPRIZE Healthspan?: 49:55-56:05
• Who can apply to be in the XPRIZE Healthspan competition?: 56:06-58:54
• What kind of trial designs does the XPRIZE Healthspan competition allow?: 58:55-01:02:38
• How is the winner of XPRIZE Healthspan decided?: 01:02:39-01:04:57
• Dr. Jamie Jusice’s top tip for improving health: 01:04:58-01:07:46

Aging is inevitable, but can we influence how we age? In this episode of Longevity by Design, hosts Dr. Gil Blander and Ashley Reaver, MS, RD, CSSD,  interview Dr. Nir Barzilai—the Director of the Institute for Aging Research at the Albert Einstein College of Medicine and the Director of the Paul F. Glenn Center for the Biology of Human Aging Research and of the National Institutes of Health’s (NIH) Nathan Shock Centers of Excellence in the Basic Biology of Aging—during which he discusses groundbreaking research on aging.

This is an enlightening discussion with Dr. Barzilai on factors influencing healthspan and lifespan, and the paradigm-shifting idea of targeting aging to extend healthspan and lifespan. He shares fascinating insights from his research on the influence of genetics and lifestyle on healthspan and lifespan, and blood biomarkers of aging. The conversation sheds light on the emerging scientific evidence and paradigm-shifting concept for medical interventions (gerotherapeutics) to extend healthspan and lifespan by targeting the underlying biology of aging.

The episode wraps up with actionable insights for listeners interested in enhancing their healthspan and longevity. Dr. Barzilai discusses the importance of personalized health strategies, integrating cutting-edge research with everyday health practices while emphasizing the importance of a holistic approach. As a listener, you will leave equipped with knowledge and science-backed ways to navigate your personal health journey and help you live healthier longer.

Timestamps:

• Introduction: 00:00-04:13
• Why Dr. Barzilai’s studies centenarians and their children?: 04:14-10:07 
• Do centenarians live longer with poor health or live healthier longer? 10:08-13:07
• Does becoming a centenarian have a strong genetic influence?: 13:08-15:41
• How do growth hormone and IGF-1 affect healthspan and lifespan?: 15:32-23:39
• What other genes affect healthspan and lifespan?: 23:40- 26:51
• Does low IGF-1 negatively impact muscle and physical functioning?: 26:52-28:40
• What are the effects of ethnicity and socioeconomic status on longevity: 28:41-30:57
• What is the effect of lifestyle, nutrition, and exercise on the longevity of centenarians?: 30:58-34:07
• Do women or men live longer?: 34:08-37:55
• Why do women live longer than men?: 37:56-41:38
• Biomarkers of aging and biomarkers of organ aging: 41:39-47:07
• What is metformin, and what is the purpose of the TAME trial?: 47:08-51:37
• Do you think metformin will improve healthspan and lifespan?: 51:38-54:20
• Does metformin only improve blood glucose control, or does it benefit health and aging in other ways? 54:21-56:50
• Is metformin good for older adults but not young adults?: 56:51-57:45
• How does the combination of metformin and exercise impact muscle size (hypertrophy) and strength?: 57:46-01:00:45
• Should everyone take metformin?: 01:00:46-01:03:13
• Dr. Gil Blander’s and Dr. Nir Barzilai’s personal humorous anecdotes on exercise: 01:03:14-01:04:32
• Is there a reason and explanation for why metformin did not show an effect on lifespan in mice in the Interventions Testing Program (ITP)?: 01:04:33-01:07:01
• Are GLP-1 agonists beneficial for healthspan and lifespan?: 01:07:02-01:10:55
• Are there tradeoffs with using GLP-1 agonists?: 01:10:56-01:11:43
• What are the top 5 gerotherapeutic candidates for improving healthspan and lifespan?: 01:11:44-01:15:10
• Dr. Nir Barzilai’s top tip for improving health: 01:15:11-01:19:29

In this episode of Longevity by Design, Dr. Gil Blander and Ashley Reaver, MS, RD, CSSD, sit down with Dr. Bartek Nogal from InsideTracker to explore the cutting-edge intersections of exercise, genetics, blood biomarkers, health optimization, and longevity. Dr. Bartek Nogal, with a strong background in biological engineering and genomics, dives into how personalized health data can shape our understanding of aging and wellness. He discusses InsideTracker's new innovative approach to using DNA analysis for tailoring health interventions, emphasizing the importance of actionable guidance for optimizing blood biomarkers and extending healthspan and longevity.

Dr. Bartek Nogal shares compelling insights into the latest findings from InsideTracker's peer-reviewed published study on the effect of running on blood biomarkers and metabolic health, along with the influence of genetics—highlighting the power of exercise combined with the added value genetics provide for even greater personal health optimization. Dr. Nogal also discusses InsideTracker’s new innovative DNA healthspan report and the enhanced information and deeper insights it provides. 

The conversation is a deep dive into how technology bridges the gap between scientific research and everyday health practices, offering listeners a roadmap to a longer, healthier life. Listeners will leave with a clear understanding of the power of exercise on blood biomarkers and genomics for personal health and practical tips for leveraging their genetic information to make even better-informed lifestyle choices. This episode is a testament to the evolving landscape of health and science, where the fusion of data, technology, and personalized insights paves the way for a future of optimized health and longevity.

Listen to all episodes of Longevity by Design at https://info.insidetracker.com/longevitybydesign 

Episode timestamps:

• Introduction: 00:00-02:32
• What led Dr. Bartek Nogal to become a scientist: 02:33-03:27
• Dr. Bartek Nogal’s career at InsideTracker: 03:28-04:02
• InsideTracker’s peer-reviewed study: Dose response of running on blood biomarkers of wellness in generally healthy individuals (https://pubmed.ncbi.nlm.nih.gov/37967046/): 04:03-06:46
• What is principal component analysis (PCA), and what were the findings using PCA: 06:47-07:56
• What is the effect of running blood biomarkers? What is the effect of the amount of running on blood biomarkers?: 07:57-09:27
• What was the effect of running on BMI (body mass index): 09:28-10:44
• What is Mendelian randomization, and what is the relationship of genetics with exercise and blood biomarkers? : 10:45-12:40
• What is the influence of genes on the relationship between exercise and diet: 12:41-13:33
• What are the strengths of Mendelian randomization for understanding the influence of genetics: 13:34-17:05
• What were the key findings from InsideTracker’s study on the effect of running on blood biomarkers 17:06-18:56
• What is InsideTracker’s new DNA report? What was the motivation for developing this new DNA healthspan report: 18:57-20:31
• What additional information and insights does InsideTracker’s new DNA report and scores provide: 20:32-28:41
• How much do genes or lifestyle influence blood biomarkers and risk of developing diseases:  28:42-32:24
• How to use InsideTracker’s new DNA and healthspan scores to optimize blood biomarkers and health: 32:25-34:28
• What is the future of genetics research: 34:29-36:36
• What is the future of genetic testing at InsideTracker: 36

Did you know that your oral health has a profound impact on healthspan and longevity?

Do you want to learn about the connections between oral health, healthspan, and longevity and what you can do to improve your oral health to help you live longer and add more healthy years to your life?

This episode of Longevity by Design is an Ask Me Anything (AMA) between Dr. Gil Blander and Ashley Reaver, MS, RD, CSSD, where they dive into the often-overlooked importance of oral health for healthspan and longevity. They gathered and answered questions asked by the Longevity by Design audience, with the scientific evidence indicating that oral health is not just about a nice smile but also has a startling link with healthspan and longevity.

Dr. Gil Blander and Ashley Reaver begin by defining what oral health and oral frailty are. They discuss that good oral health is an essential aspect of overall health and well-being, whereas poor oral health can lead to various dental and health problems. They then answer questions on the oral microbiome and what you should know about it. They also answer questions on how oral health is connected to the health of the rest of the body, healthspan, and longevity–with an emphasis on mortality, Alzheimer’s disease, cardiovascular disease, and diabetes.

Importantly, Dr. Blander and Ashley answer questions backed by science on what you can do to improve your oral health. They conclude by addressing questions on the influence of nutrition on oral health and the not-so-obvious but intriguing evidence on the link between oral health and physical fitness and function.

Listen to all episodes of Longevity by Design at https://info.insidetracker.com/longevitybydesign 

Episode timestamps:

• Introduction: 00:00-01:44
• What is the reason for choosing the topic of oral health, healthspan, and longevity: 01:44-03:11
• What is oral health: 03:12-04:23
• How is oral health connected to healthspan and longevity: 04:24-09:01
• What is oral frailty: 09:02-10:04
• What is the oral microbiome and what is known about the oral microbiome: 10:05-14:59
• What is the relationship between oral health and cognitive health: 15:00-19:36
• What is the relationship between oral health and cardiovascular diseases: 19:37-23:43
• What is the relationship between oral health and diabetes: 23:44-28:01
• Preventing versus treating diseases: 28:02-30:54
• How to improve oral health: 30:55-31:42
  • When should I brush my teeth in the morning, before or after breakfast: 31:43-33:51
  • How long should I brush my teeth? How do I know if I am brushing them correctly and for the right amount of time: 33:52-35:38
  • Should I use toothpaste with fluoride in it: 35:38-36:15
  • How often should I floss? What is a water flosser, and is it beneficial: 36:16-38:15
  • Should I use a mouthwash: 38:15-42:27
• What is the influence of nutrition on oral health: 42:28-48:35
• Is there a connection between oral health and physical fitness and physical function: 48:36-51:14
• Summary: 51:15-55:42

In this insightful episode of Longevity by Design, hosts Dr. Gil Blander and Ashley Reaver welcome Dr. Tony Wyss-Coray, a distinguished expert in neurology and brain aging. Dr. Wyss-Coray shares his journey from a childhood fascination with nature to becoming a leading figure in neuroscience and immunology. His initial interest in farming evolved into a passion for understanding the complexities of the human brain, particularly in the context of aging and neurodegenerative diseases.

Dr. Wyss-Coray discusses his groundbreaking research on Alzheimer's disease and the aging brain. He dives into the intriguing discovery that factors in young blood can rejuvenate older brains, offering potential pathways for treating age-related cognitive decline. This revelation has significant implications for understanding and potentially mitigating the effects of aging on the brain.

The episode also explores Dr. Wyss-Coray's transition from Switzerland to the U.S., highlighting the cultural and scientific opportunities that influenced his career. His journey underscores the importance of interdisciplinary research and collaboration in advancing our understanding of complex medical challenges like Alzheimer's disease. This conversation provides a fascinating glimpse into the intersection of immunology, neurology, and the quest to unlock the secrets of longevity.

Listen to all episodes of Longevity by Design at https://info.insidetracker.com/longevitybydesign 

Episode timestamps:

• Introduction: 0:00-2:12
• Why Dr. Tony Wyss-Coray became a scientist: 02:13-03:35
• Dr. Tony Wyss-Coray’s career journey studying immunology, neuroscience, and aging: 03:36-07:02
• Dr. Tony Wyss-Coray’s personal story on why he decided to stay in the US: 07:03-11:20
• Dr. Tony Wyss-Coray’s story on becoming the founder of three biotech companies and what they do: 11:21-15:12
• Introduction to Dr. Wyss-Coray’s research on proteomics and organ-specific aging: 15:13-15:52
• What is proteomics: 15:53-16:39
• What are the SomaLogic and Olink technologies for measuring proteins: 16:40-19:37
• What are the links between blood-based proteins, organ-specific biological aging, and chronic disease risk: 19:38-28:35
• Is aging a disease: 28:36-31:01
• The three waves of aging based on proteomic analysis: 31:02-37:29
• Are changes in blood proteins the cause or effect of aging: 37:30-43:46
• What are the effects of parabiosis and blood transfusion on gene expression and aging: 43:47-50:58
• The future of blood transfusions and synthetic drugs for improving healthspan and preventing neurodegenerative diseases: 50:59-55:07
• Are the effects of parabiosis or blood transfusions short-term, mid-term, or long-term: 55:08-59:17
• Proteomics for understanding organ aging, identifying potential drug targets, and young blood transfusions for rejuvenation: 59:18-01:01:58
• Biological aging of organs: 01:01:59-01:10:29
• What are the effects of fat tissue or obesity on metabolic health and mortality: 01:10:30-01:12:06
• What is the effect of accelerated brain aging on cognition and neurodegeneration: 01:12:17-01:15:52
• What can people do themselves to identify if they have accelerated brain aging: 01:15:53-01:18:27
• Sleep improves blood biomarkers: 01:18:28-01:19:09
• Top tip for healthspan: 01:19:10-01:21:44

How can you increase NAD+ levels? And do higher NAD+ levels really lead to better metabolic health? What does the research say on their benefits for longevity? These topics and more are discussed in the latest episode of Longevity by Design with Dr. Joe Baur. 

Dr. Baur, Professor at the Perelman School of Medicine of the University of Pennsylvania, has made key contributions to the understanding of how metabolism and dietary factors influence longevity, for example, resveratrol’s effect on insulin sensitivity. His lab looks at small molecules like NAD+ to understand how they can mimic the health-promoting effects of caloric restriction in rodents. 

Listen to all episodes of Longevity by Design at https://info.insidetracker.com/longevitybydesign 

Episode highlights

• 8:08-10:13: What are the Potential Benefits of Resveratrol Supplements? 
• 17:36-19:53: How Does NAD Affect Metabolism?
• 22:49-25:13: Do NAD+ levels decline with age?  
• 25:14- 31:27: How to Combat Declining NAD Levels as You Age  
• 43:54- 49:12: How do NAD Analogs Affect Target Tissues? 
• 50:11-51:06: What are the potential health benefits of taking NMN?  
• 54:17- 1:04:21: Safety, Dosage, and Benefits of NMN + NR Supplements 
• 1:04:22-1:04:31: Should you take NMN supplements? 

This episode of Longevity by Design features an interview with Dr. Eric Verdin—the CEO of The Buck Institute. The Buck Institute was the first center dedicated to aging research, and many discoveries within the aging field have come out of this research center. 

For this episode, Dr. Verdin, Dr. Blander, and Ashely Reaver sat down in person to discuss the latest updates in longevity research. Dr. Verdin shares his opinion on questions like “is aging a disease?” and “is there a maximum lifespan that humans will never surpass?” Dr. Verdin also discusses updates on the future of anti-aging drugs, including senolytics and metformin. 

To close the episode, Dr. Verdin gives life advice for what 5 things we can do on a regular basis to improve our health span.

Listen to all episodes of Longevity by Design at https://info.insidetracker.com/longevitybydesign 

Episode timestamps: 

• Introduction: (0:00–2:40) 
• About the Buck Institute (2:40–8:00)
• Biological aging clocks (8:00–14:31)
• Public opinion and funding aging research (14:31–16:38) 
• Is aging a disease? (16:38–19:35) 
• Future of anti-aging drugs (19:35–25:25) 
• Senescence and senolytics (25:25–29:42) 
• The hallmarks of aging are interconnected (29:42–36:48) 
• How medicine and public policy has improved life expectancy (36:48–40:50) 
• How much of longevity is due to genetics? (40:50–44:52) 
• Geographic location impacts life expectancy (44:52–51:08) 
• Is there a maximum lifespan for humans? (51:08–56:40) 
• Healthspan vs lifespan (56:40–60:04) 
• The most important interventions to improve healthspan (60:04–1:06:04)  

Dr. Nick Burd, PhD, is a skeletal muscle physiologist with an expertise in protein metabolism and exercise. In this episode, Dr. Burd discusses the importance of maintaining muscle mass as we age, expressing that “strong is the new healthy.” 

While adequate protein intake is an important aspect of gaining muscle and maintaining healthspan, many people in the US actually over consume protein. In this discussion, Dr. Burd talks about how much protein we truly need, whether or not there is an optimal time to consume protein after exercise, and how to best distribute protein intake throughout the day. He explains why consuming protein from food sources rather than as a powder may be better for muscle growth, and shares why protein is critical for endurance athletes. 

Episode timestamps: 

• Introduction: (0:00–1:50) 
• Why Dr. Burd became a scientist (1:50–4:00)
• The three types of muscle (4:00–5:00) 
• How much of our muscle mass is skeletal muscle? (5:00–5:40)
• How obesity impacts muscle mass (5:40–8:16)
• What is a DEXA scan (8:16–10:30) 
• Benefits of exercise on skeletal muscle (10:30–14:00) 
• Sedentary behavior is detrimental to muscle tissue (14:00–19:00)
• “Strong is the new healthy” (19:00–20:00)
• Skeletal muscle and metabolic health (20:00–22:00)
• Many people over consume protein (22:00–26:50)
• Is there an optimal time to consume protein after exercise? (26:50–31:30) 
• Protein powders vs. whole food sources of protein (31:30–35:50) 
• Distribution of protein throughout the day (33:50–45:34)
• Why protein is important for endurance athletes (45:34–51:20) 
• Protein needs for different ages, ethnicities, and gender (51:20–55:20)
• Resistance training in post menopausal women (55:20–1:01:00)
• Top tip for healthspan (1:01:00–end) 

Listen to all episodes of Longevity by Design at https://info.insidetracker.com/longevitybydesign