Doing Everything ‘Right’ but Still Feel Off? This Gut Insight Changes Everything with Jacqui Meehan
Field Notes: An Exploration of Functional Medicine
Release Date: 01/21/2026
Field Notes: An Exploration of Functional Medicine
In this fascinating episode of Field Notes, Dr. Rob Downey sits down with Dr. Shawn Talbott to unpack the powerful connection between the gut and the brain—and why your microbiome may have far more influence over your mental fitness than most people realize. Together, they explore how gut bacteria can affect stress resilience, mood, sleep, motivation, and even cognitive clarity through pathways involving neurotransmitters, inflammation, and the immune system. What makes this conversation especially compelling is that it stays grounded in both science and practicality: yes, there...
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In this fascinating episode of Field Notes, Dr. Rob Downey sits down with Greg Lee—a former NASA systems engineer turned acupuncturist and chronic illness specialist—to explore a radically integrative approach to complex health conditions. Drawing from decades of clinical experience, Greg explains how hidden drivers like mold toxicity, stealth infections, nervous system dysregulation, inflammation, and mitochondrial dysfunction can keep people sick even when their labs look “normal.” He walks through the tools he uses to uncover and address these deeper patterns, including advanced...
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In this powerful episode of Field Notes, Dr. Rob sits down with Christine Ruch to explore one of the most overlooked pieces of true healing: the nervous system. Christine shares her own journey from being diagnosed with MS and doing everything “right” in the world of diet, supplements, and holistic health—yet still getting sicker—until she discovered that deeper healing required more than a perfect protocol. Together, she and Dr. Rob unpack how unresolved stress, trauma, hypervigilance, and emotional suppression can quietly block recovery, and why embodiment, surrender, and nervous...
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This episode of Field Notes, hosted by Nurse Practitioner Heather Moon, explores the often-overlooked intersection between functional medicine and spirituality through a deeply human conversation with hospital chaplain Frank Alioto. Together, they move beyond protocols and lab results to examine how meaning, connection, and presence shape the healing process just as much as biology. Frank shares powerful insights from his work with patients and families in moments of uncertainty, emphasizing that true care isn’t about having the right answers—it’s about showing up, asking the right...
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In this powerful Field Notes episode, Dr. Rob Downey sits down with Dr. Jeff Brown to unpack a topic that far too many women have been told to simply endure: painful periods, hormone imbalance, and the deeper systemic issues driving their symptoms. Dr. Brown shares his journey from conventional medicine into functional and regenerative care, explaining why he became frustrated with symptom management and was drawn to a root-cause approach that actually helps people heal. Together, they explore why women are so often dismissed in traditional medical settings, why common does not...
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In this episode of Field Notes, Dr. Rob sits down with functional health practitioner Kim Heintz to explore the long and frustrating journey that led her from chronic illness to vibrant health. Kim shares how debilitating migraines that began in childhood eventually spiraled into anxiety, fatigue, brain fog, and digestive issues—symptoms that conventional medicine struggled to explain or resolve. After being told she might simply have to live with these problems, Kim began digging deeper and discovered the power of functional medicine testing, root-cause...
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In this Field Notes conversation, Dr. Rob Downey sits down with speech-language pathologist and holistic feeding specialist, Lena Livinsky to reframe “picky eating” as a whole-body, whole-family issue—less about willpower or “bad behavior,” and more about safety, biology, skills, and environment. Lena shares how conventional feeding therapy often over-focuses on behavior, and how working through her own child’s selective eating helped her connect the dots: when a child’s nervous system is dysregulated or their gut and sensory systems are off, eating can feel threatening, not...
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In this episode of Field Notes, Dr. Rob Downey sits down with integrative psychiatric provider Dr. Josh Waddell to unpack mental health through a functional medicine lens—moving beyond symptom labels and “chemical imbalance” shortcuts to ask what’s actually driving anxiety, depression, and emotional instability in the first place. Dr. Waddell lays out a clear roadmap for understanding mental illness as a progression—from real-world triggers to cellular/mitochondrial disruption to downstream neurotransmitter changes—then introduces his practical “Four Pillars” framework (Body,...
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In this episode of Field Notes, Dr. Rob Downey sits down with Dr. Jen Mann to talk about one of the most frustrating (and common) experiences in modern health care: the “mystery illness” — the symptoms that don’t fit neatly into a diagnosis, and the exhaustion that comes from chasing answers. Instead of defaulting to more tests, more protocols, or another “perfect stack,” Dr. Jen invites a different starting point: your body already has information — and learning to listen is part of the medicine. Together, they explore how healing can be both science and art… and how true...
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In this powerful episode of Field Notes—hosted by Nurse Practitioner Heather Moon—we’re joined by Mary Ellen Doty, NP, a pioneer in wilderness medicine and founder of Wilderness Medical Staffing. Mary Ellen shares gripping stories from serving as the sole medical provider in some of the most remote and unforgiving environments on earth, including Bush Alaska, where medicine is practiced not by protocol alone—but with presence, creativity, and deep respect for the human story. Learn more about Mary Ellen here: https://maryellendoty.com/ Her journey reveals a stark contrast between...
info_outlineWhat if the missing link behind stubborn hormone issues, mood swings, fatigue, and digestive chaos isn’t your hormones at all—but your gut? In this powerful Field Notes conversation, Dr. Rob Downey sits down with nutritionist and gut-health expert Jacqui Meehan to unpack the deeply personal story that led her from chronic illness to healing, and why the microbiome is the true cornerstone of vibrant health.
Learn more about Jacqui here: https://www.jacquimeehannutrition.com/about
Together, they explore the gut-brain-hormone connection, why so many people “do everything right” and still feel awful, and how simple, overlooked shifts in digestion, lifestyle, and nutrient absorption can unlock dramatic changes in energy, mood, and hormonal balance—especially for women. If you’ve ever felt dismissed, stuck, or frustrated by surface-level health advice, this episode may completely change how you understand your body—and where real healing begins.
Key Takeaways:
- Gut health is foundational—not secondary. The microbiome influences digestion, immunity, hormones, and mood. You cannot fully heal or optimize health without first stabilizing gut function.
- You’re not just what you eat—you’re what you absorb. Many people eat well but still feel depleted because poor digestion and low stomach acid block nutrient assimilation. Fixing absorption often unlocks rapid improvements.
- Stress directly disrupts digestion and hormones. Chronic stress shifts the nervous system into fight-or-flight, suppressing stomach acid, bile flow, and gut motility—setting the stage for inflammation and imbalance.
- The gut and brain are in constant two-way communication. Through the vagus nerve and microbial metabolites, gut health shapes mood, stress resilience, and emotional regulation—sometimes even more than mindset alone.
- Hormonal balance depends on the microbiome. Certain gut bacteria can recycle excess estrogen instead of eliminating it, contributing to estrogen dominance, PMS, PMDD, and PCOS—making gut repair essential for hormone health.