Dr. Sandra Dalton-Smith reveals the seven types of rest and how to restore energy beyond sleep for true renewal and well-being.

Dr. Sandra Dalton-Smith shares her groundbreaking framework of the seven types of rest, showing why good sleep isn’t always enough to banish fatigue. She explains how to recognize rest deficits, the role of self-awareness in restoration, and strategies to replenish energy in practical, everyday ways. From managing sensory overload to addressing emotional depletion, this conversation is a roadmap to feeling truly refreshed.

Dr. Sandra Dalton-Smith is a board-certified internal medicine physician, award-winning author, and TEDx speaker whose work focuses on redefining rest as essential for health and productivity. She developed the Rest Quiz, taken by over 250,000 people worldwide, and wrote “Sacred Rest: Recover Your Life, Renew Your Energy, Restore Your Sanity”. Through her teaching, consulting, and corporate training, she helps individuals and organizations restore energy, prevent burnout, and thrive.

Discover how Christian Drapeau explains the role of stem cells in fighting inflammation, boosting repair, and supporting long-term health.

Christian Drapeau, a pioneering stem cell scientist and author of “Cracking the Stem Cell Code”, reveals why stem cells are the body’s ultimate repair system. He explains their powerful anti-inflammatory role, how aging and lifestyle reduce stem cell production, and the science behind natural plant compounds that mobilize stem cells for healing. He also shares clinical findings showing how boosting stem cell circulation may improve heart, brain, and lung health.

Christian Drapeau is a leading stem cell scientist with over 20 years dedicated to stem cell research. He coined the concept of endogenous stem cell mobilization and authored five books, including the bestseller Cracking the Stem Cell Code. As the founder of Stemregen, he develops plant-based formulas designed to support the body’s natural repair system. With lectures in more than 50 countries, he is recognized globally as a top voice on stem cell science and its applications for health and longevity.

Dr. David Jockers shares how mindset, faith, nutrition, and inflammation testing can prevent heart attacks and strokes naturally.

Dr. David Jockers joins Dr. Jack Wolfson to explore how mindset, faith, nutrition, and inflammation testing intersect in heart disease prevention. He explains how gratitude and purpose protect against stress, why removing seed oils and eating whole foods reduces oxidative damage, and which key lab markers reveal hidden risks. This episode offers a holistic roadmap for heart attack and stroke prevention.

Dr. David Jockers is a doctor of natural medicine, functional nutritionist, and founder of DrJockers.com, one of the most popular natural health websites worldwide. He is the author of “The Fasting Transformation” and “The Keto Metabolic Breakthrough” and has been featured widely as a speaker and educator. With expertise in fasting, inflammation, and cellular health, Dr. Jockers empowers millions with science-based, faith-driven strategies to prevent chronic disease and build long-term vitality.

Dr. Kara Fitzgerald reveals how diet, lifestyle, and epigenetics can reverse biological age by 3–4 years in just eight weeks.

Dr. Kara Fitzgerald shares groundbreaking research showing that diet and lifestyle can reverse biological aging. She explains how the Younger You program uses nutrient-dense foods, spices, sleep, stress reduction, and gentle fasting to optimize epigenetics and reduce age by up to four years in just eight weeks. Listeners will gain practical strategies to influence gene expression and promote long-term health.

Dr. Kara Fitzgerald is a functional medicine physician, author, and internationally recognized leader in epigenetics and longevity research. Her pioneering studies demonstrated that targeted diet and lifestyle changes can reverse biological age, earning her the Rosalind Franklin Society Special Award in Science. She is the author of “Younger You” and “Better Broths and Healing Tonics”, hosts the podcast “New Frontiers in Functional Medicine”, and continues to advance research on personalized, lifestyle-driven approaches to aging and healthspan.

Dr. Shannon Ritchey shares science-based strategies to build muscle, prevent sarcopenia, and support women through hormonal shifts.

Dr. Shannon Ritchey, founder of Evlo Fitness, explains how women can build and protect muscle through all stages of life. She shares her journey from burnout and chronic pain to creating a science-based, sustainable approach to strength training. Listeners will learn about the dangers of sarcopenia, the REPS framework for hypertrophy, and strategies to exercise effectively without overwhelming the body—especially during hormonal shifts.

Dr. Shannon Ritchey is a former physical therapist and the founder of Evlo Fitness, an online platform designed to help people build muscle safely and effectively. With more than 15 years of experience in fitness and a background in biomechanics, neurology, and exercise science, she created a unique approach that prevents burnout and injury while delivering real results. Her programs focus on sustainability, especially for women navigating hormonal changes, thyroid issues, and fatigue.

Dr. Joel Kahn explains advanced glycation end products (AGEs), how they fuel aging and heart disease, and steps to lower them naturally.

Dr. Joel Kahn unpacks the science of advanced glycation end products (AGEs)—toxic compounds formed by high blood sugar and high-heat cooking. He explains how AGEs stiffen tissues, fuel chronic inflammation, and accelerate heart disease, dementia, and aging. Listeners will gain practical strategies to lower AGEs, from adopting moist, lower-heat cooking methods to eating more plant-based foods and exploring new testing and supplement options.

Dr. Joel Kahn is a preventive cardiologist, best-selling author, and educator known as “America’s Healthy Heart Doc.” He has dedicated his career to reversing and preventing heart disease through nutrition, lifestyle, and integrative medicine. Dr. Kahn is a leading advocate for whole food plant-based eating, regularly sharing evidence-based strategies to lower cardiovascular risk, slow aging, and improve overall vitality. Through his clinic in suburban Detroit and his media presence, he empowers patients and audiences worldwide to take proactive steps toward long-term health.

Discover Dr. Neel Butala’s insights on personalized cancer risk assessments, early detection, and prostate cancer prevention with Catch Bio.

Dr. Neel Butala joins Dr. Geo Espinosa to discuss the importance of personalized cancer risk assessment and early detection. He explains how current population-level screening guidelines often fail to reflect individual risk and how tools like Catch Bio provide actionable insights. The conversation highlights prostate cancer, lifestyle modifications, and how knowing your risk can empower smarter choices and better long-term outcomes.

Dr. Neel Butala is a physician-scientist, practicing cardiologist, and scientific co-founder of Catch Bio, a company dedicated to empowering individuals with personalized cancer risk assessments. Based at the University of Colorado, his research leverages advanced analytics and large healthcare datasets to uncover new approaches to prevention and care. His work has been published in leading journals including NEJM, JAMA, and Circulation. Through both clinical practice and innovation, Dr. Butala is advancing proactive, personalized approaches to cancer prevention.

Dr. Miles Nichols reveals how stress, toxins, gut health, and peptides play key roles in autoimmunity and chronic illness recovery.

Dr. Miles Nichols shares his journey from personal illness to functional medicine and explores the root causes of autoimmunity. He explains how stress, trauma, toxins, infections, and gut dysfunction amplify chronic illness, and how peptides like BPC-157, VIP, and thymosin alpha-1 can help repair and regulate the immune system. With practical advice, he shows how combining peptides with lifestyle shifts accelerates true healing.

Dr. Miles Nichols is a functional medicine doctor, author, and educator who specializes in treating autoimmunity, mold illness, Lyme disease, and chronic fatigue. After overcoming his own health struggles, he co-founded the Medicine with Heart Clinic and Institute, where he helps patients and trains practitioners in root-cause medicine. His work blends functional testing, trauma-informed care, and peptide therapies to restore health and resilience in those facing chronic illness. Dr. Miles has authored two books.

Dr. Jim Parker explores PCOS as an evolutionary mismatch, showing how lifestyle shifts can restore balance, fertility, and long-term health.

Dr. Jim Parker reframes PCOS as a survival advantage gone awry in today’s modern world. He explains how women with PCOS carry “elite” genes that once ensured survival but now predispose them to insulin resistance, weight gain, and fertility struggles. With lifestyle changes—nutrition, sleep, gut health, and detox—these patterns can be reversed, restoring fertility, reducing pregnancy complications, and building lifelong resilience.

Dr. Jim Parker is a physician, researcher, and evolutionary medicine expert based in Australia, with over a decade of dedicated work on PCOS. He has published extensively on the evolutionary basis of PCOS and its connection to metabolic health, fertility, and pregnancy outcomes. Through his research and collaboration with leaders in women’s health, Dr. Parker advocates for lifestyle-driven approaches that empower women with PCOS to reclaim health, optimize fertility, and prevent long-term complications.

Dr. Michael Breus reveals how chronotypes—lion, bear, wolf, dolphin—unlock better sleep, energy, and health by aligning with your genetic rhythm.

Dr. Michael Breus, “The Sleep Doctor,” explains how chronotypes—our genetically wired sleep schedules—affect more than just when we wake and sleep. He reveals the four chronotypes, their personality traits, and how timing influences intimacy, caffeine, exercise, and productivity. With simple schedule shifts, you can unlock better sleep, health, and energy without pills or gimmicks.

Dr. Breus is the author of four books, with the newest book (2021), Energize! Go from dragging Ass to kicking it in 30 days, adds the concepts of Movement (not exercise), and Intermittent-Fasting to his already famous Sleep Chronotypes. And it was recently named one of the top books of 2021 by The Today Show. In his 3rd book (2017), The Power of When, which is a groundbreaking bio-hacking book proving that there is a perfect time to do everything, based on your biological chronotype (early bird or night owl). Dr. Breus gives the reader the exact time to have sex, run a mile, eat a cheeseburger, buy, sell, ask your boss for a raise, and much more based on over 200 research studies.

He is an expert resource for most major publications, doing more than 400 interviews per year (Oprah, Dr. Oz, The Doctors, NY Times, Wall Street Journal, etc.-list available). Dr. Breus has been in private practice for 23 years and recently relocated to and was named the Top Sleep Doctor of Los Angeles by Reader's Digest.