True integrative medicine is not about adding a few supplements to a conventional treatment plan. In this episode, Dr. Jen sits down with integrative medicine pioneer Dr. John Trowbridge to discuss what more than four decades of clinical experience have taught him about chronic illness, functional diagnostics, and root-cause care. 

Dr. Trowbridge explains why physicians must keep asking “why” long after a diagnosis is made, how gut dysfunction, yeast overgrowth, parasites, toxins, mitochondrial stress, and cellular membrane damage may contribute to complex symptoms, and why personalized medicine cannot be reduced to a one-size-fits-all protocol. 

They also explore his early work on The Yeast Syndrome, his concept of “deep blood fungus,” the importance of supporting the body’s defense systems, and why the best integrative practitioners remain lifelong students.

Dr. John Trowbridge, MD, is a pioneer in biological and integrative medicine with more than 40 years of clinical experience. Educated in biological sciences at Stanford University and medicine at Case Western Reserve University School of Medicine, he later pursued postgraduate surgical training and advanced education in immunology, preventive medicine, and nutrition.

Dr. Trowbridge is the best-selling author of The Yeast Syndrome and has spent decades studying chronic illness, functional diagnostics, heavy metal toxicology, fungal burden, parasites, mitochondrial health, and personalized medicine. Through his practice, Life Celebrating Health near Houston, Texas, he focuses on identifying the biological blocks that may prevent the body from returning to normal function.

Website: https://healthchoicesnow.com
Instagram: https://www.instagram.com/1800fixpain
Facebook: https://www.facebook.com/1800fixpain
YouTube: https://www.youtube.com/channel/UC7q7NDb-MxBBmjT3M9N80Og LinkedIn: https://www.linkedin.com/in/john-parks-trowbridge-md-70691ba  

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FTC: Some links included in this description might be affiliate links. If you purchase a product through one of them, I will receive a commission (at no additional cost to you).  I truly appreciate your support of my channel. Thank you for watching! Video is not sponsored.

DISCLAIMER: This podcast does not contain any medical or health related diagnosis or treatment advice. Content provided on this podcast is for informational purposes only.  For any medical or health related advice, please consult with a physician or other healthcare professionals. Further, information about specific products or treatments within this podcast are not to diagnose, treat, cure or prevent disease.

If you have mast cell symptoms and constantly feel stuck in fight or flight, the connection may be more physical than you realize. In Part 2 of this three-part solo series, Dr. Jen explains how mast cells and the nervous system communicate with each other, creating a feedback loop that can drive histamine release, anxiety, poor sleep, palpitations, hypervigilance, inflammation, and increased sensitivity to everyday triggers.

She breaks down how stress signaling through CRH and the autonomic nervous system can influence mast cell behavior, why mast cell mediators can further stimulate nearby nerves, and how mold exposure and chronic inflammation may keep the system on high alert. Dr. Jen also explains why nervous system regulation, sleep, stable blood sugar, movement, breathing, community, and reducing ongoing triggers should be part of a root-cause approach to mast cell activation.

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FTC: Some links included in this description might be affiliate links. If you purchase a product through one of them, I will receive a commission (at no additional cost to you).  I truly appreciate your support of my channel. Thank you for watching! Video is not sponsored.

DISCLAIMER: This podcast does not contain any medical or health related diagnosis or treatment advice. Content provided on this podcast is for informational purposes only.  For any medical or health related advice, please consult with a physician or other healthcare professionals. Further, information about specific products or treatments within this podcast are not to diagnose, treat, cure or prevent disease.

Your microbiome starts shaping health from the very beginning of life. In this episode, Dr. Jen speaks with Tiny Health founder Cheryl Sew Hoy about how birth mode, breastfeeding, antibiotics, diet, and parental gut health can influence an infant’s developing microbiome and potentially affect immune function later in life. Cheryl explains why babies need a very different microbial balance than adults, the importance of bifidobacteria during infancy, and how low levels of beneficial bacteria may allow less desirable microbes to take over. They also explore adult gut diversity, butyrate production, Akkermansia, fiber intake, carnivore and vegan diets, and why the goal is not always to “kill the bad bugs.” The conversation then shifts to vaginal health, where Cheryl explains the importance of Lactobacillus crispatus, how hormones can change the vaginal microbiome, and why testing may help women better understand changes during postpartum, perimenopause, and menopause. 

Cheryl Sew Hoy is a tech entrepreneur, angel investor, and founder and CEO of Tiny Health, a precision health platform offering at-home shotgun metagenomic testing for infant, maternal, and adult microbiomes. A Cornell-trained engineer and serial entrepreneur, Cheryl founded Tiny Health after searching for better answers about her own daughter’s early health risks following a C-section birth. Her work now focuses on helping families understand how early microbial exposures, breastfeeding, diet, gut health, and vaginal health may influence immune development and long-term wellness. Through Tiny Health, she brings advanced microbiome testing and personalized recommendations into the home, helping parents and adults better understand the microbial ecosystems that support health across the lifespan.
Website: https://www.tinyhealth.com
Instagram: https://www.instagram.com/cherylsewhoy
LinkedIn: https://www.linkedin.com/in/cherylyeoh  
X: https://x.com/cherylyeoh

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FTC: Some links included in this description might be affiliate links. If you purchase a product through one of them, I will receive a commission (at no additional cost to you).  I truly appreciate your support of my channel. Thank you for watching! Video is not sponsored.

DISCLAIMER: This podcast does not contain any medical or health related diagnosis or treatment advice. Content provided on this podcast is for informational purposes only.  For any medical or health related advice, please consult with a physician or other healthcare professionals. Further, information about specific products or treatments within this podcast are not to diagnose, treat, cure or prevent disease.

Why are thyroid disorders, hormone imbalances, and certain chronic illnesses becoming more common? In this episode, Dr. Jen speaks with integrative medicine pioneer Dr. David Brownstein about iodine deficiency, thyroid health, environmental toxins, natural hormone therapy, and the limitations of symptom-focused medicine. Dr. Brownstein shares how his father’s dramatic improvement with thyroid and testosterone treatment changed the course of his medical career, eventually leading him to investigate iodine’s role throughout the body. They discuss how bromide and fluoride may interfere with iodine, why iodized salt may not provide enough for every tissue, how iodine status can be assessed, and why individualized, root-cause care remains central to long-term health. 

Dr. David Brownstein, MD, is a board-certified family physician, Medical Director of the Center for Holistic Medicine in West Bloomfield, Michigan, and a leading voice in integrative medicine. After recognizing that conventional medications often failed to address the underlying causes of chronic illness, he shifted his practice toward nutrition, hormone balance, thyroid care, environmental medicine, and individualized treatment. Dr. Brownstein is the author of numerous books, including Iodine: Why You Need It, Why You Can’t Live Without It, and is widely known for his clinical work involving iodine, natural thyroid therapy, salt, hormonal health, and environmental toxins.

Website: https://www.drbrownstein.com

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FTC: Some links included in this description might be affiliate links. If you purchase a product through one of them, I will receive a commission (at no additional cost to you).  I truly appreciate your support of my channel. Thank you for watching! Video is not sponsored.

DISCLAIMER: This podcast does not contain any medical or health related diagnosis or treatment advice. Content provided on this podcast is for informational purposes only.  For any medical or health related advice, please consult with a physician or other healthcare professionals. Further, information about specific products or treatments within this podcast are not to diagnose, treat, cure or prevent disease.

Cannabis is often discussed as either a miracle remedy or a dangerous drug, but the reality is far more nuanced. In this episode, Dr. Jen speaks with naturopathic doctor and cannabinoid researcher Dr. Michelle Sexton about the endocannabinoid system, medical cannabis, chronic pain, sleep, inflammation, menopause, and opioid reduction. They explore why dose, age, product quality, delivery method, and THC potency all matter, how cannabis differs from CBD, and why modern high-potency products are not the same as the cannabis used decades ago. Dr. Sexton also shares practical guidance on starting low, avoiding unnecessary exposure during brain development and pregnancy, and using cannabis as a carefully considered medical tool rather than a one-size-fits-all solution.

Dr. Michelle Sexton, ND, is a licensed naturopathic doctor, researcher, author, and internationally recognized expert on cannabinoid pharmacology and the endocannabinoid system. She completed her naturopathic medical training at Bastyr University and an NIH-funded postdoctoral fellowship at the University of Washington, where she studied cannabis, immune function, neuroinflammation, and neurodegeneration. Dr. Sexton has also served as an Assistant Adjunct Professor in the Department of Anesthesiology at UC San Diego and has worked with patients through the university’s Center for Integrative Medicine. Her work focuses on translating cannabinoid science into responsible, practical guidance for pain, sleep, inflammation, women’s health, and opioid reduction. 

Website: https://www.msextonnd.com 
LinkedIn: https://www.linkedin.com/in/michelle-sexton-a40408b  
Facebook: https://www.facebook.com/msextonnd  

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FTC: Some links included in this description might be affiliate links. If you purchase a product through one of them, I will receive a commission (at no additional cost to you).  I truly appreciate your support of my channel. Thank you for watching! Video is not sponsored.

DISCLAIMER: This podcast does not contain any medical or health related diagnosis or treatment advice. Content provided on this podcast is for informational purposes only.  For any medical or health related advice, please consult with a physician or other healthcare professionals. Further, information about specific products or treatments within this podcast are not to diagnose, treat, cure or prevent disease.

In this solo episode, Dr. Jen introduces mast cells and mast cell activation syndrome, also known as MCAS. She explains that mast cells are protective immune cells found wherever the body meets the outside environment, including the skin, gut, airways, blood vessels, brain, and nervous system. When these cells detect danger, they release histamine, tryptase, cytokines, prostaglandins, leukotrienes, and other mediators. When that response becomes excessive or inappropriate, symptoms may appear across multiple systems, including rashes, food reactions, reflux, diarrhea, anxiety, insomnia, brain fog, dizziness, palpitations, congestion, and POTS-like symptoms. Dr. Jen also explains why the goal should not be to suppress mast cells forever, but to identify why they no longer feel that the body is safe.

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FTC: Some links included in this description might be affiliate links. If you purchase a product through one of them, I will receive a commission (at no additional cost to you).  I truly appreciate your support of my channel. Thank you for watching! Video is not sponsored.

DISCLAIMER: This podcast does not contain any medical or health related diagnosis or treatment advice. Content provided on this podcast is for informational purposes only.  For any medical or health related advice, please consult with a physician or other healthcare professionals. Further, information about specific products or treatments within this podcast are not to diagnose, treat, cure or prevent disease.

Vitamin K is often treated as a single nutrient, but its different forms may support very different functions throughout the body. In this episode, Dr. Jen speaks with biochemist and independent researcher Pat Theut about the distinctions between K1, MK-4, and MK-7 and their potential roles in blood clotting, calcium regulation, bone strength, cardiovascular health, brain aging, and athletic performance. They explore how vitamin K works alongside vitamin D and magnesium, why calcium supplementation may not provide the benefits many people expect, and how gut health, fermented foods, medications, and modern farming practices may influence vitamin K status. This conversation offers a deeper look at an overlooked nutrient family and why personalized nutrition matters for long-term health. 

Patrick “Pat” Theut is a biochemist, independent researcher, high-performance athletic coach, and founder of Ultra K. After using his scientific background to investigate his own advanced coronary artery disease, Pat became a dedicated advocate for greater awareness of the vitamin K family. His work focuses on translating complex research involving K1, MK-4, MK-7, vitamin D, magnesium, bone health, cardiovascular function, and athletic performance into practical education that helps people make more informed decisions about long-term health. 

Website: https://www.k-vitamins.com/index.php?page=vitamin-k-home

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FTC: Some links included in this description might be affiliate links. If you purchase a product through one of them, I will receive a commission (at no additional cost to you).  I truly appreciate your support of my channel. Thank you for watching! Video is not sponsored.

DISCLAIMER: This podcast does not contain any medical or health related diagnosis or treatment advice. Content provided on this podcast is for informational purposes only.  For any medical or health related advice, please consult with a physician or other healthcare professionals. Further, information about specific products or treatments within this podcast are not to diagnose, treat, cure or prevent disease.

Coffee has been linked to lower mortality, better liver health, reduced metabolic risk, and potential protection for the brain—but that does not mean every coffee drink is healthy. In this solo episode, Dr. Jen breaks down recent coffee and caffeine recommendations, explains the difference between filtered coffee, espresso, decaf, and sugary coffee drinks, and explores how caffeine may affect cortisol, sleep, hydration, inflammation, and hormone health. She also shares how she prepares her own coffee, why women should avoid replacing breakfast with caffeine, and what to look for when choosing organic, mold-tested coffee. This episode helps you move beyond the headlines and understand how to enjoy coffee in a way that supports your individual health. 

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FTC: Some links included in this description might be affiliate links. If you purchase a product through one of them, I will receive a commission (at no additional cost to you).  I truly appreciate your support of my channel. Thank you for watching! Video is not sponsored.

DISCLAIMER: This podcast does not contain any medical or health related diagnosis or treatment advice. Content provided on this podcast is for informational purposes only.  For any medical or health related advice, please consult with a physician or other healthcare professionals. Further, information about specific products or treatments within this podcast are not to diagnose, treat, cure or prevent disease.

Millions of people are told their thyroid labs are "normal" even though they continue to struggle with fatigue, brain fog, weight gain, depression, and hormone imbalances. In this episode, Dr. Jen sits down with Dr. Daryl Turner to discuss why conventional thyroid testing often misses subclinical thyroid dysfunction and how his patented Thyroflex System measures thyroid function at the cellular level. They explore Hashimoto's disease, Graves' disease, reverse T3, DNA and RNA interventions, iodine, adrenal health, and why symptoms—not just lab values—should guide treatment. This conversation challenges conventional thyroid care while offering a fascinating look at emerging approaches to personalized endocrine medicine.

Dr. Daryl Turner is a hormone and thyroid specialist, medical researcher, and founder of Nitek Medical. With more than two decades of research and clinical innovation, he developed the patented Thyroflex System to assess thyroid function beyond conventional blood testing. His work focuses on cellular endocrinology, autoimmune thyroid disease, hormone optimization, and personalized approaches to treating Hashimoto's disease, Graves' disease, and complex thyroid dysfunction. Dr. Turner lectures internationally on advanced thyroid care and has appeared on numerous national television programs, including The Dr. Phil Show, The Doctors, Today, and the Discovery Channel. 

Website: https://www.nitekmedical.com 

Facebook: https://www.facebook.com/NitekMedical  

YouTube: https://www.youtube.com/user/NiTekMedicalInc 

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FTC: Some links included in this description might be affiliate links. If you purchase a product through one of them, I will receive a commission (at no additional cost to you).  I truly appreciate your support of my channel. Thank you for watching! Video is not sponsored.

DISCLAIMER: This podcast does not contain any medical or health related diagnosis or treatment advice. Content provided on this podcast is for informational purposes only.  For any medical or health related advice, please consult with a physician or other healthcare professionals. Further, information about specific products or treatments within this podcast are not to diagnose, treat, cure or prevent disease.

What happens when a physician's clinical judgment conflicts with institutional policy? In this episode, Dr. Jen sits down with Dr. John Humiston to discuss his journey from conventional family medicine into integrative care, his philosophy of treating root causes rather than symptoms, and the events that ultimately led to the suspension of his medical license after issuing vaccine exemptions based on individualized patient assessments. Their conversation explores the evolving relationship between medicine, patient autonomy, informed consent, physician free speech, and the importance of maintaining integrity when making difficult clinical decisions. Regardless of where listeners stand on these issues, this episode invites thoughtful discussion about the role of physicians, ethics, and individualized care in modern healthcare.

Dr. John Humiston, DO, is a board-certified family physician with nearly three decades of clinical experience in conventional and integrative medicine. After serving as a battalion surgeon in the U.S. Marine Corps and practicing family medicine across California, Indiana, and Mexico, he developed a passion for identifying the root causes of chronic illness rather than simply treating symptoms. Throughout his career, Dr. Humiston has integrated nutrition, herbal medicine, hormone optimization, brain health, and functional therapies into patient care while advocating for individualized medicine, informed consent, and physician autonomy. 

Website: https://www.a4m.com/john-e-humiston.html 

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FTC: Some links included in this description might be affiliate links. If you purchase a product through one of them, I will receive a commission (at no additional cost to you).  I truly appreciate your support of my channel. Thank you for watching! Video is not sponsored.

DISCLAIMER: This podcast does not contain any medical or health related diagnosis or treatment advice. Content provided on this podcast is for informational purposes only.  For any medical or health related advice, please consult with a physician or other healthcare professionals. Further, information about specific products or treatments within this podcast are not to diagnose, treat, cure or prevent disease.