Posture, Bone Density & Muscle: A Stanford Doctor Destroys Aging Myths Most People Believe

Anti-Aging Brain Health Myths Most Believe: A Stanford Doctor Debunks Dementia, Brain Aging & More

Your brain starts changing earlier than most people realize. A Stanford neuroscientist explains how emerging technology could reshape the future of cognitive health. What if protecting your brain has less to do with chasing the next breakthrough, and more to do with taking action on the science we already know. In this episode of The LIVING Room Podcast, host Chris Wharton sits down with Walter Greenleaf, PhD—behavioral neuroscientist and medical technology developer at Stanford University's Virtual Human Interaction Lab—to explore what's happening to your brain as you age, why measuring cognitive health has been so difficult, and how AI, virtual reality, wearable technology, and personalized feedback systems may transform the future of prevention. Here's what you'll walk away with: * Why cognitive decline begins long before symptoms appear—and why neurodegenerative diseases like Alzheimer's develop over many years before they're detected * How virtual reality is already being used to help treat PTSD, chronic pain, addiction, and phobias—and why the brain often responds to virtual experiences as if they're real * The research from Adam Gazzaley's lab showing that specific cognitive training can improve executive function, with some adults in their 60s performing similarly to much younger adults on certain cognitive measures * Why today's AI health advice can sound convincing while still being inaccurate—and what must change before it can be trusted in healthcare * How wearables, smart glasses, and passive health monitoring could make personalized brain health recommendations part of everyday life * Why behavior change isn't just about knowing what to do—and how immediate, personalized feedback may be the missing link to lasting habits * The evidence-based habits that still matter most for protecting your brain—and why even experts struggle to consistently follow them This conversation explores where the science stands today, where it's headed next, and how evidence—not hype—can help us build healthier brains for the decades ahead.   Connect with Dr. Walter on LinkedIn: https://www.linkedin.com/in/waltergreenleaf/ [https://www.linkedin.com/in/waltergreenleaf/]

Tiffany Haddish: The Mindset Shift That Took Her From Sleeping in Her Car to Thriving in Hollywood

Before she made the world laugh, Tiffany Haddish had to use humor just to survive. Growing up, Tiffany navigated homelessness and childhood trauma that would have broken most people. But it didn't break her, it built her. In this episode of The LIVING Room Podcast, Chris Wharton sits down with one of Hollywood's most fearless voices for a conversation that goes far beyond the punchlines, and headlines… Tiffany opens up about how comedy became a coping mechanism before it ever became a career, why she made a conscious decision to choose joy over bitterness, and how her unshakeable belief in manifestation took her from sleeping in her car to the cover of Sports Illustrated. She also shares what it really took to land her breakout role in Girls Trip, and why she refuses to let pain write her story. Tiffany Haddish is a comedian, actress, and New York Times bestselling author of The Last Black Unicorn and Curse You With Joy. She is best known for Girls Trip and for a career built on turning suffering into strength. If you've ever had to fight to rise above your circumstances and fight for your dreams, this one's for you. Follow Tiffany on Instagram: https://www.instagram.com/tiffanyhaddish/ [https://www.instagram.com/tiffanyhaddish/]  Book: “I Curse You with Joy” [https://www.amazon.com/dp/1635769531?lv=shuf&channelId=500&plpRedirect=mhFallback]  YouTube: https://www.youtube.com/user/thaddish [https://www.youtube.com/user/thaddish]  Want more? Each month, we send a newsletter curated by our scientific council on what's  actually advancing the science of human longevity — and what isn't. Subscribe at https://www.thewndrlab.com/mailing-list [https://www.thewndrlab.com/mailing-list]. The WNDR Lab: https://www.thewndrlab.com/ [https://www.thewndrlab.com/]

Sleep Scientist: "Sleep Isn't a Luxury — It's Your Strongest Longevity Lever" | Dr. Michael Grandner

“The sleep people are getting in the real world predicts how long they live better than almost anything else.” According to Dr. Michael Grandner, sleep isn't just rest. It's one of the strongest predictors of how long you'll live. Yet most people fundamentally misunderstand what sleep is, why we need it, and what happens when we don't get enough of it. The consequences reach far beyond feeling tired, influencing everything from your brain function and metabolism to your immune system, long-term health, and lifespan. In this episode, Chris Wharton sits down with Dr. Michael Grandner, Director of the Sleep and Health Research Program at the University of Arizona and the world's most cited sleep researcher Drawing from decades of research, Dr. Grandner unpacks what sleep is actually doing inside your body, why so many people struggle with it, and how improving it may be one of the most powerful things you can do for your health, performance, and longevity. No wellness trends. No sleep hacks. Just the science behind one of the most important—and overlooked—drivers of human health. In the episode, you'll learn:  → Why sleep is one of the strongest levers for longevity, performance, and disease prevention  → Why chronic sleep loss impairs decision-making, memory, metabolism, and emotional regulation before you notice it  → The difference between feeling tired and being objectively sleep-deprived  → Why trying harder to fall asleep can make insomnia worse  → How sleep apnea is often missed — especially when symptoms look like fatigue, anxiety, or depression  → What sleep trackers and wearables can tell you, and what they often get wrong  → Why melatonin, supplements, and sleep hygiene aren't always enough to fix a real sleep disorder  → How light, caffeine, alcohol, temperature, screens, and bedtime routines affect sleep quality  → Why better sleep often comes from doing less — reducing effort and getting out of your own way  Dr. Grandner has published more than 250 academic papers, chaired the American Heart Association's Sleep Science Committee, and presented to the US Congress on sleep health. This episode is for anyone who wakes up tired, struggles with insomnia, relies on sleep trackers, or wants to understand how sleep really affects longevity, recovery, and daily performance. Want more? Each month, we send a newsletter curated by our scientific council on what's  actually advancing the science of human longevity — and what isn't. Subscribe at https://www.thewndrlab.com/mailing-list. The WNDR Lab: https://www.thewndrlab.com/  Michael Grandner, PhD | University of Arizona Michael Grandner, PhD, researches the connections between sleep and circadian health, including innovative strategies for improving sleep. The Director of the Sleep and Health Research Program and a tenured Associate Professor in the Department of Psychiatry with joint appointments in Medicine, Psychology, Nutritional Sciences, and Clinical and Translational Science at the University of Arizona College of Medicine, he is the Inaugural Chair of the American Heart Association’s Sleep Science Committee and the Past President of the Society of Behavioral Sleep Medicine, as well as an elected Fellow of the American Academy of Sleep Medicine and the Society of Behavioral Sleep Medicine. Dr. Grandner has over 250 academic journal publications, advises numerous companies, has presented to the US Congress multiple times on the topic of sleep health, and has co-authored position statements for the International Olympic Committee and the National Institutes of Health, among many others. He was recently awarded the Richard Bootzin Mid-Career Distinguished Scientific Achievement Award by the Society of Behavioral Sleep Medicine. Dr. Michael Grandner's Instagram https://www.instagram.com/michaelgrandner/ Linkedin: https://www.linkedin.com/in/grandner/ Website: https://www.michaelgrandner.com/about.html YouTube: https://www.youtube.com/@UCTET02GzjnNxSg3V157lUIw

A Stanford Cancer Scientist on What Actually Prevents Cancer (And What Wellness Headlines Get Wrong)

In this episode of The LIVING Room Podcast, host Chris Wharton sits down with Dr. Paul Mischel for a fascinating exploration of what causes cancer, and the future of preventive medicine. A pioneer in precision oncology, Dr. Mischel's groundbreaking research revealed how extrachromosomal DNA (ecDNA)—small circles of DNA that exist outside our chromosomes—can fuel tumor growth, accelerate evolution, and help cancers evade treatment. His discoveries have transformed our understanding of some of the most aggressive cancers, including glioblastoma. But this conversation goes far beyond the laboratory… Dr. Mischel breaks down what the latest science actually tells us about cancer risk, prevention, and early detection. Together, they explore which lifestyle factors are backed by evidence, where common misconceptions persist, and why the future of cancer screening may be both more powerful—and more nuanced—than many people realize. Please join us for a thought-provoking conversation about one of medicine's greatest challenges, and the science that may help change its future. In this video, we explore: * What cancer actually is — and why some cancers become far more aggressive than others * How extrachromosomal DNA (ecDNA) helps tumors evolve and resist treatment — and why that changes everything about precision oncology * What the science actually says about exercise, nutrition, alcohol, smoking, vaccines, and cancer prevention * The real cancer risk factors you can control — and the ones you can't * Why full-body MRIs and cancer blood tests are promising but not a replacement for traditional cancer screening yet * The biggest cancer myths circulating in wellness spaces — and what the data actually supports * How to think about your cancer risk with more agency and less fear About Dr. Paul Mischel:  Paul Mischel, MD, is a physician-scientist at Stanford Medicine whose research revealed how extrachromosomal DNA drives the evolution and drug resistance of aggressive cancers. His work has reshaped the field of precision oncology. Want more? Each month, we send a newsletter curated by our scientific council on what's  actually advancing the science of human longevity — and what isn't. Subscribe at https://www.thewndrlab.com/mailing-list [https://www.thewndrlab.com/mailing-list]. The WNDR Lab: https://www.thewndrlab.com/

A Neuroscientist Breaks Down GLP–1s, Genetics & the Real Science of Fat Loss | Zachary A. Knight

Why is losing weight—and keeping it off—so difficult? A leading neuroscientist explains the biology of hunger, the rise of GLP-1 medications, and what science is revealing about the brain's role in body weight regulation. In this episode of The LIVING Room Podcast, Chris Wharton sits down with Dr. Zachary A. Knight, PhD — Professor of Physiology at UC San Francisco, Howard Hughes Medical Institute Investigator, and one of the world's leading researchers studying the neural circuits that regulate hunger, thirst, and body weight. Drawing from decades of research, Dr. Knight explains why body weight is influenced by far more than motivation alone, how genetics and environment interact to shape appetite, what happens in the brain when we lose weight, and why GLP-1 medications have transformed obesity treatment. Watch this episode to learn: • Why maintaining weight loss is so challenging for many people • How genetics and environment work together to influence body weight • What happens in the brain when you're hungry—and when you're full • How GLP-1 medications like Ozempic, Wegovy, and Mounjaro affect appetite and food-related reward signals • The science behind "food noise" and why many patients report it decreases on GLP-1s • Whether weight-loss medications are likely to be lifelong treatments • Practical, science-backed ways to increase satiety and better manage hunger • What researchers are learning about hydration, thirst, and the body's internal regulation systems • Where the next generation of obesity and metabolic health treatments may be headed This isn't diet advice. This is the neuroscience of hunger — and it will completely change how you think about your body. Connect with Dr. Zachary A. Knight: https://knightlab.ucsf.edu/ [https://knightlab.ucsf.edu/] http://www.linkedin.com/in/zachary-knight-29a37977 [http://www.linkedin.com/in/zachary-knight-29a37977] https://x.com/zaknight [https://x.com/zaknight]   Want more? Each month, we send a newsletter curated by our scientific council on what's actually advancing the science of human longevity — and what isn't. Subscribe at https://www.thewndrlab.com/mailing-list [https://www.thewndrlab.com/mailing-list]. The WNDR Lab: TheWNDRLab.com [http://thewndrlab.com]