Why Lyme Disease Is So Hard to Diagnose—and What It’s Really Doing to Your Brain

No One Can Truly Measure Exosomes: The Truth About Exosome Quantification

In this episode of The Recharge Biomedical Podcast, Edward Park, MD, MPH explores one of the most misunderstood topics in regenerative medicine: how exosomes are measured, quantified, and compared across different products. Dr. Park discusses the challenges involved in accurately measuring exosomes, explaining that these microscopic extracellular vesicles are too small to be directly observed using standard optical microscopy. He reviews the technologies commonly used to estimate exosome size and concentration, including nanoparticle tracking analysis (Nanosight), and highlights the limitations and variability inherent in current measurement methods. The conversation examines how stem cell culture conditions—including oxygen levels, temperature, pH, cellular stress, and cell age—can significantly influence exosome production and quality. Dr. Park also explains the importance of purification methods such as tangential flow filtration (TFF), which help remove larger contaminants including cells, microvesicles, and apoptotic bodies. The episode further explores why particle count alone may not accurately reflect product quality. Dr. Park reviews the importance of analyzing biologically active components such as proteins and RNA contained within exosomes and discusses concerns that some commercially available products may consist primarily of conditioned media rather than highly purified exosomes. Throughout the discussion, Dr. Park emphasizes the need for greater standardization, transparency, and independent testing within the exosome industry to help clinicians and patients make informed decisions. - - - - -  Dr. Edward Park, MD, MPH, is a physician, researcher, and author specializing in regenerative medicine. With degrees from Harvard and Columbia, Dr. Park has treated over 680 patients with exosomes, performing more than 3,300 procedures across IV, nasal, joint, tendon, and systemic applications. He is the author of Exosomes: Songs of Healing and an international lecturer on regenerative medicine. - - - - -  Connect with Dr. Ed Park Linkedin: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.linkedin.com/in/dredpark/⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.linkedin.com/in/dredpark/] Instagram: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.instagram.com/dredpark/?hl=en⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.instagram.com/dredpark/?hl=en] Website: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.rechargebiomedical.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.rechargebiomedical.com/] ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Recharge Biomedical | Substack⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://dredpark.substack.com/] PODCAST Thank you for listening. Please subscribe and share. This podcast is produced by DrTalks.com ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://drtalks.com/podcast-service/ [https://drtalks.com/podcast-service/]

Stem Cells vs. Exosomes: Safety, Aging, Regeneration & the Future of Personalized Medicine

In this episode of The Recharge Biomedical Podcast, Edward Park, MD, MPH explores the differences between stem cells and exosomes, examining their biology, therapeutic potential, safety considerations, costs, and possible future applications in regenerative medicine. Dr. Park explains that stem cells are living cells capable of self-renewal and differentiation, while exosomes are microscopic signaling particles released by cells that help coordinate repair and communication throughout the body. Using the analogy of musicians and music, he describes stem cells as the "musicians" and exosomes as the "songs" they produce. The discussion examines immune compatibility and the challenges associated with donor-derived stem cells. Dr. Park reviews evidence suggesting that allogeneic stem cells may be recognized and cleared by the immune system over time, while exosomes may avoid many of these compatibility concerns due to their lack of cellular identity markers. The episode also explores practical considerations surrounding stem cell harvesting, storage, freezing protocols, contamination risks, endotoxin exposure, and quality control measures. Dr. Park discusses the advantages and limitations of autologous stem cells, donor stem cells, and exosome-based approaches from both a clinical and logistical perspective. - - - - -  Dr. Edward Park, MD, MPH, is a physician, researcher, and author specializing in regenerative medicine. With degrees from Harvard and Columbia, Dr. Park has treated over 680 patients with exosomes, performing more than 3,300 procedures across IV, nasal, joint, tendon, and systemic applications. He is the author of Exosomes: Songs of Healing and an international lecturer on regenerative medicine. - - - - -  Connect with Dr. Ed Park Linkedin: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.linkedin.com/in/dredpark/⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.linkedin.com/in/dredpark/] Instagram: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.instagram.com/dredpark/?hl=en⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.instagram.com/dredpark/?hl=en] Website: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.rechargebiomedical.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.rechargebiomedical.com/] ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Recharge Biomedical | Substack⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://dredpark.substack.com/] PODCAST Thank you for listening. Please subscribe and share. This podcast is produced by DrTalks.com ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://drtalks.com/podcast-service/ [https://drtalks.com/podcast-service/]

Environmental Toxicity, Glyphosate Exposure, Chronic Disease & Integrative Pediatrics with Michelle Perro

In this episode of The Recharge Biomedical Podcast, Edward Park, MD, MPH sits down with pediatrician and integrative medicine expert Michelle Perro to discuss genetically modified foods (GMOs), glyphosate exposure, chronic childhood illness, vaccine debates, and the growing public distrust of medical and governmental institutions. Dr. Perro explains how modern industrial agriculture relies heavily on genetically modified crops and glyphosate-based herbicides, arguing that these chemicals may disrupt the gut microbiome, interfere with mineral absorption, and contribute to chronic inflammation and metabolic dysfunction. The conversation explores the differences between conventional and organic food production, concerns about processed restaurant foods, and practical ways families can reduce exposure to environmental toxins. The discussion also examines the rising prevalence of autism, ADHD, autoimmune disorders, gut dysfunction, and chronic inflammatory conditions in children. Dr. Perro shares her integrative approach to health, emphasizing nutrition, fermented foods, microbiome support, home gardening, genetic testing for detoxification pathways, and emerging therapies such as fecal microbiota transplantation. A major portion of the episode focuses on vaccine policy, pharmaceutical influence in medicine, and public skepticism following the COVID-19 pandemic. Dr. Perro states that while she supports the foundational concept of vaccination, she raises concerns about vaccine adjuvants, pharmaceutical lobbying, mandates, and restrictions placed on physicians who diverge from official medical guidelines. Throughout the episode, Dr. Park and Dr. Perro discuss the importance of critical thinking, psychological resilience, and maintaining curiosity in an era shaped by social media, fear-based messaging, and growing technological influence. The conversation concludes with reflections on staying grounded, reducing device dependence, spending time in nature, and preserving human connection in modern society. This episode contains discussions and opinions that are controversial and may not align with mainstream scientific or medical consensus. Viewers are encouraged to conduct their own research and consult qualified healthcare professionals regarding medical decisions. - - - - -  Michelle Perro, MD, is a veteran pediatrician with over thirty-five years of experience in acute and integrative medicine. More than ten years ago, Dr. Perro transformed her clinical practice to include pesticide and health advocacy. She has both directed and worked as attending physician from New York’s Metropolitan Hospital to UCSF Benioff Children’s Hospital Oakland. Dr. Perro has managed her own business, Down to Earth Pediatrics. She is currently lecturing and consulting as well as working with Gordon Medical Associates, an integrative health center in Northern California. LinkedIn: https://www.linkedin.com/in/michelle-perro-md-2593ba9 [https://www.linkedin.com/in/michelle-perro-md-2593ba9] - - - - -  Connect with Dr. Ed Park Linkedin: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.linkedin.com/in/dredpark/⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.linkedin.com/in/dredpark/] Instagram: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.instagram.com/dredpark/?hl=en⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.instagram.com/dredpark/?hl=en] Website: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.rechargebiomedical.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.rechargebiomedical.com/] ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Recharge Biomedical | Substack⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://dredpark.substack.com/] PODCAST Thank you for listening. Please subscribe and share. This podcast is produced by DrTalks.com ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://drtalks.com/podcast-service/ [https://drtalks.com/podcast-service/]

Repeat Exosome Treatments: Why Patients Come Back

In this episode of The Recharged Biomedical Podcast, Dr. Ed Park discusses the growing interest in repeat exosome treatments and explains why many patients choose ongoing therapy after their initial sessions. Drawing from approximately two and a half years of clinical experience, he shares observations from treating more than 150 patients with exosome-based interventions for injuries, chronic pain, recovery, and wellness support. Dr. Park begins by explaining what exosomes are—tiny extracellular vesicles that carry proteins, messenger RNA (mRNA), and microRNA to facilitate cellular communication and potentially influence healing and regeneration. Unlike stem cells, exosomes are not living cells and cannot reproduce, but they may temporarily influence tissue repair and gene expression. The episode also addresses important safety considerations and limitations. Dr. Park emphasizes that exosome therapies are not FDA-approved for the prevention or treatment of disease and that many reported outcomes remain anecdotal rather than scientifically proven through large clinical trials. He encourages informed consent and personal due diligence when considering these therapies. Dr. Park explores how exosomes may work within the body, noting that while the physical particles may only remain active for hours or days, their biological signaling effects could potentially last longer through mRNA and microRNA activity. He discusses how these signaling pathways may influence inflammation, tissue recovery, and cellular function. - - - - -  Dr. Edward Park, MD, MPH, is a physician, researcher, and author specializing in regenerative medicine. With degrees from Harvard and Columbia, Dr. Park has treated over 680 patients with exosomes, performing more than 3,300 procedures across IV, nasal, joint, tendon, and systemic applications. He is the author of Exosomes: Songs of Healing and an international lecturer on regenerative medicine. - - - - -  Connect with Dr. Ed Park Linkedin: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.linkedin.com/in/dredpark/⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.linkedin.com/in/dredpark/] Instagram: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.instagram.com/dredpark/?hl=en⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.instagram.com/dredpark/?hl=en] Website: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.rechargebiomedical.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.rechargebiomedical.com/] ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Recharge Biomedical | Substack⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://dredpark.substack.com/] PODCAST Thank you for listening. Please subscribe and share. This podcast is produced by DrTalks.com ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://drtalks.com/podcast-service/ [https://drtalks.com/podcast-service/]

Why Lyme Disease Is So Hard to Diagnose—and What It’s Really Doing to Your Brain

In this episode of The Recharged Biomedical Podcast, Dr. Edward Park speaks with Dr. Eric Gordon about the complexities of Lyme disease, tick-borne coinfections, and chronic immune dysfunction. Dr. Gordon explains how Lyme disease often coexists with other infections—commonly referred to as the “three B’s”: Borrelia, Bartonella, and Babesia—each contributing unique and overlapping symptoms. These infections can affect multiple systems in the body, particularly the brain and central nervous system, leading to persistent neuroinflammation. The conversation explores the challenges of diagnosis, noting that standard testing methods like ELISA frequently produce false negatives. Dr. Gordon highlights more reliable approaches such as Immunoblot and Western blot testing, while also explaining how Borrelia evades the immune system through advanced survival mechanisms. A major focus of the episode is the role of neuroinflammation and the “cell danger response.” Chronic infections, environmental toxins, and gut dysbiosis can disrupt immune function, leaving the body stuck in a prolonged inflammatory state. This dysfunction is linked to symptoms such as chronic fatigue, cognitive impairment, and even neurodevelopmental conditions. Treatment approaches are discussed across different stages of illness: * Acute stage: Early antibiotic intervention, such as doxycycline, can be highly effective. * Chronic stage: Long-term illness requires a more holistic strategy, including herbal antimicrobials, gut health restoration, dietary changes, and emerging therapies like exosomes to reduce inflammation and support tissue repair. This episode provides a comprehensive look at how chronic infections and immune dysregulation contribute to complex, long-term health conditions—and what can be done to address them. - - - - -  Dr. Eric Gordon is a physician specializing in complex chronic illness, with a focus on Lyme disease, coinfections, immune dysfunction, and neuroinflammation. He integrates conventional and functional medicine approaches to address root causes, including infections, environmental toxicity, and gut health imbalances. - - - - -  Connect with Dr. Ed Park Linkedin: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.linkedin.com/in/dredpark/⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.linkedin.com/in/dredpark/] Instagram: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.instagram.com/dredpark/?hl=en⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.instagram.com/dredpark/?hl=en] Website: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.rechargebiomedical.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://www.rechargebiomedical.com/] ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Recharge Biomedical | Substack⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ [https://dredpark.substack.com/] PODCAST Thank you for listening. Please subscribe and share. This podcast is produced by DrTalks.com ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://drtalks.com/podcast-service/ [https://drtalks.com/podcast-service/]