The Smartest Doctor in the Room

Heart rate variability has become a buzzword in wellness circles — but what does it actually measure, and why does it matter far beyond fitness tracking? Rheumatologist Dr. Andrew Holman, associate professor of medicine at the University of Washington and founder of InMedix, joins Dr. Dean Mitchell to explain how HRV serves as a precise, measurable window into the autonomic nervous system and what...

Before assuming a new walking problem means Parkinson's disease, Dr. Dean Mitchell shares a key insight from his conversation with neurologist Dr. Alexander Stilbans: not every shuffling gait points to the obvious diagnosis. Many treatable conditions, including degenerative hip disease, spinal stenosis, and certain medications, can cause changes in how you walk, especially after age 60. One patien...

Not every walking problem is Parkinson's disease — and assuming it is can cost patients years of proper treatment. Neurologist and movement disorder specialist Dr. Alexander Schtilbans, assistant professor at Weill Cornell Medicine and attending physician at Hospital for Special Surgery in New York City, joins Dr. Dean Mitchell to break down the many conditions that cause abnormal gait, why they'r...

Before assuming a new pain means something is physically wrong, Dr. Dean Mitchell shares a powerful framework from the work of Dr. John Sarno and mind-body medicine: ask yourself what's happening emotionally before asking what's wrong with your body. Dr. Sarno's concept of Tension Myositis Syndrome (TMS) suggests that unresolved stress, inner conflict, and unacknowledged worry can amplify or even...

Dr. Dean Mitchell shares his own decades-long struggle with chronic back pain before introducing Dr. David Schechter, a physician based in Los Angeles who trained directly under the late Dr. John Sarno at NYU's Rusk Institute. Dr. Schechter now carries on that work, blending Sarno's foundational ideas with modern neuroscience to treat patients with what he calls neuroplastic symptoms, or what Sarn...

Dr. Dean Mitchell sits down with Dr. Kenneth Liegner, an internist and critical care physician who has treated thousands of chronic Lyme patients since the early days of the disease's recognition. Dr. Liegner trained in anatomic pathology, internal medicine, and surgical critical care before opening a general practice in Westchester County, where he found himself in the middle of one of the most c...

Dr. Dean Mitchell sits down with Dr. Lawrence Lustig, Howard W. Smith Professor and Chair of Otolaryngology Head and Neck Surgery at Columbia University, to discuss a gene therapy called Otofarmaní that has recently received FDA approval for a rare genetic form of deafness caused by mutations in the otoferlin gene. Dr. Lustig, one of the lead investigators in the clinical trial, explains how the t...

For decades, hormone replacement therapy carried a stigma rooted in a flawed study that left millions of women suffering through menopause without support. Dr. Dean Mitchell sits down with Dr. Gillian Goddard, endocrinologist and author of The Hormone Loop, to untangle the science and set the record straight. They cover why the Women's Health Initiative study has been widely misinterpreted, what a...

Dr. Dean Mitchell sits down with Dr. Jeffrey Morrison to explore how functional and integrative medicine approaches complex chronic illness. Their conversation covers Lyme disease, digestive disorders, environmental toxin exposure, and the growing concern around endocrine-disrupting chemicals, microplastics, and mitochondrial dysfunction. Dr. Morrison shares how his background in environmental med...

Dr. Dean Mitchell speaks with Professor Prue Hart, an international expert in photoimmunology from the Kids Research Institute in Australia, who has spent 30 years studying how UV light interacts with the human immune system. Their conversation covers the science behind why the skin, as the body's largest immune organ, can generate systemic effects well beyond where light is applied. Professor Har...

Dr. Dean Mitchell speaks with Dr. Barbara Cordell, author of "My Gut Makes Alcohol" and a researcher with over 30 published academic papers, including three specifically on auto brewery syndrome. Dr. Cordell brings both professional expertise and personal experience to the conversation, having navigated the condition through her husband's years-long medical ordeal before a diagnosis was ever reach...

Dr. Dean Mitchell sits down with Alan Bell, a practicing attorney who spent years in a wheelchair tethered to an oxygen tank after a debilitating toxic chemical exposure left him unrecognized and undiagnosed by hundreds of physicians, including specialists at Mayo Clinic, Cleveland Clinic, and the National Jewish Immune Hospital. Bell's story moves from early flu-like symptoms to grand mal seizure...

Dr. Dean Mitchell walks through a complete approach to seasonal allergy management, starting with why certain antihistamines are better suited for spring pollen symptoms than others. He explains the differences between first and second-generation antihistamines, flags specific drug combinations to avoid, and covers proper technique for nasal sprays and eye drops, including common mistakes that red...

Dr. Dean Mitchell sits down with Dr. Ahmed El-Sohemy, professor and research chair in nutrigenomics at the University of Toronto and founder of Nutrigenomix, to examine why individuals respond so differently to the same foods, and what genetic testing can now tell us about those differences. The conversation moves through four key genes studied in the field. The MTHFR gene, which affects folate me...

Dr. Dean Mitchell takes a closer look at pruritus, a symptom often dismissed but capable of significantly disrupting sleep, focus, and quality of life. He explains how itching is not just a skin issue, but a neurological signal that can reflect irritation, inflammation, or deeper systemic concerns. The conversation walks through common causes such as contact dermatitis, eczema, and allergic reacti...

Dr. Dean Mitchell opens a live Q&A by walking through one of the most misunderstood issues he sees in practice: mold toxicity. Drawing from decades in immunology and allergy, he explains how mold toxicity differs from a typical mold allergy and why many patients are told they are “fine” despite ongoing symptoms. The conversation moves through real patient patterns, including how mold exposure...

Dr. Dean Mitchell speaks with Dr. Samuel Mann, a longtime hypertension specialist and former professor at Weill Cornell Medical College, about why managing high blood pressure is often more complex than standard guidelines suggest. Drawing on decades of clinical experience, Dr. Mann explains how hypertension varies from patient to patient and why choosing the right medication requires more than a...

Food allergies are more than a diagnosis. For many families, they shape daily life, decision making, and a constant awareness of risk that never fully turns off. Dr. Dean Mitchell sits down with 12 year old advocate Zacky Muñoz and his mother Priscilla for a conversation that brings that reality into focus. Zacky shares what it’s like to grow up managing food allergies, from everyday challenges to...

Dr. Dean Mitchell speaks with Canadian toxicologist Dr. David Juurlink about how medical toxicology works in real clinical settings, from emergency departments and ICUs to poison center consultations involving overdoses, drug reactions, and complex diagnostic puzzles. The conversation explains how toxicologists evaluate poisoned patients, what physicians look for during physical exams, and how cer...

Dr. Mitchell sits down with Dr. Ronald Hoffman, a longtime New York physician and the voice behind Intelligent Medicine, for a wide-ranging conversation about how integrative and functional medicine grew from a controversial idea into a mainstream movement. They look back at the early days when practicing outside the box came with real professional risk, and what it took to stay grounded in scienc...

Today’s conversation is a practical starting point for anyone who suspects mold might be affecting their health, but isn’t sure how to prove it or what steps to take next. Dr. Dean Mitchell sits down with J.W. Biava, founder of Immunolytics, to break down what at home mold testing can actually tell you about the air you’re breathing. They walk through how mold plate testing works, how to place the...

For more than 30 years in practice, Dr. Dean Mitchell never used hair analysis in his diagnostic workups. He wasn’t convinced it was reliable or clinically useful. That changed after reading a New York Times investigation into wildfire-exposed families in Los Angeles and the role hair testing played in uncovering toxic exposure patterns. In this conversation, Dr. Mitchell speaks with Dr. Manish Ar...

Toxic mold, long COVID, vaccine injury, mast cell activation, and the patients who seem to react to everything. Dr. Dean Mitchell sits down with Dr. Keith Berkowitz and Dr. Ariana Ventrella for a wide ranging conversation about why complex cases keep getting more complex, why the nervous system and fight or flight can become the rate limiting factor in healing, and what it looks like to rebuild sa...

Vaginal discomfort is one of the most common reasons people seek care, and Dr. Dean Mitchell and Dr. Kate McLean get honest about why vaginitis is so often misdiagnosed and why symptoms so often come right back after treatment. They break down how most office based testing works, why standard PCR panels can miss key bacteria like Gardnerella, and how Evvy’s next generation sequencing approach look...

A healthy 65-year-old man eats raw tuna and within an hour ends up in the emergency room with dangerously low blood pressure, severe gastrointestinal symptoms, and EKG changes that look like a heart attack. What happened next surprised even his doctors. Dr. Dean Mitchell walks through a real case published in the Journal of the American Medical Association that highlights a lesser known but seriou...