230 Fibromyalgia, Chronic Fatigue, Interstitial Cystitis. What the Immune System Reveals with Dr. Bruce Gillis

In this episode of  Growing Older Living Younger , Dr. Gillian  Lockitch  speaks with  Dr. Bruce Gillis  about chronic immune system disorders such as fibromyalgia, chronic fatigue syndrome, interstitial cystitis, and long COVID. Dr. Gillis shares how his research overturned decades of stigma by proving these conditions are objectively measurable through immune system testing and DNA genomic signatures. The conversation explores the role of  epigenetics  in disease development, the link between coronaviruses and long COVID, and the discovery of a microbiome-modulating compound that reduces symptoms. Listeners will gain validation, clarity, and practical insights into how accurate diagnosis and targeted therapies can improve quality of life.
Dr. Bruce Gillis is a physician-scientist and public health expert whose career spans clinical medicine, research, and academic leadership. After earning his MD from the University of Illinois College of Medicine and his MPH from the Harvard School of Public Health, he completed two residencies and two fellowships before joining the faculty at Harvard Medical School, UCLA, and the University of Illinois. His early work focused on environmental health and toxic exposures, including oversight of the Alaskan oil spill cleanup and aerospace medicine projects. Dr. Gillis later turned his focus to  chronic immune system disorders  such as fibromyalgia, chronic fatigue syndrome, interstitial cystitis, and long COVID. Through groundbreaking research, his team identified specific  white blood cell dysfunctions and  unique DNA genomic signatures  that objectively prove fibromyalgia and related disorders are real, diagnosable conditions. He pioneered the development of the  FibroTest , an FDA-reviewed diagnostic blood test now covered by Medicare and many insurers, and continues to study therapeutic compounds that support microbiome health and improve symptom management.  

 Episode Timeline  

00:00 – Welcome & Introduction  
Podcast focus on aging youthfully; Gillian introduces Dr. Gillis and chronic immune disorders.  

05:51 – Dr. Gillis' Journey  
From rural upbringing to Harvard MD/MPH; work in environmental health, aerospace, and proving fibromyalgia is real.  

08:44 – What Are Chronic Immune Disorders?  
Definitions, stigma, and why current drugs only mask symptoms.  

12:17 – Epigenetics & Long COVID  
How environmental triggers and coronaviruses drive epigenetic DNA changes linked to fibromyalgia and chronic fatigue.  

16:40 – Blood-Based Diagnostics  
Immune system testing, identification of protein deficiencies, and discovery of unique DNA genomic signatures.  

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