# Mast Cell Activation and Histamine Intolerance with Dr. Kelly McCann

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Text version: https://stenobird.com/podcast/healing-powers-podcast-727674/mast-cell-activation-and-histamine-intolerance-with-dr-kelly-mccann.md
Podcast: [Healing Powers Podcast](https://stenobird.com/podcast/healing-powers-podcast-727674)
Published: 2026-03-09T15:01:39+00:00
Episode link: https://www.spreaker.com/episode/mast-cell-activation-and-histamine-intolerance-with-dr-kelly-mccann--70549151
Audio file: https://api.spreaker.com/download/episode/70549151/mast_cell_activation_and_histamine_intolerance_with_dr_kelly_mccann.mp3
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Duration seconds: 2738

## Resource

In this episode of the Healing Powers Podcast, host Laura Michelle Powers speaks with medical doctor and functional medicine expert Dr. Kelly McCann about mast cell activation syndrome (MCAS), histamine intolerance, and the growing number of people experiencing unexplained chronic symptoms. Although mast cell activation was only first described in medical literature in 2007, research suggests that up to one in five people may be affected. Dr. McCann explains how mast cells—an important part of the immune system—can become overly reactive due to environmental toxins, mold exposure, infections, stress, and trauma. When this happens, it can trigger widespread inflammation throughout the body and lead to symptoms such as allergies, brain fog, digestive issues, insomnia, migraines, anxiety, and fatigue. Laura also shares her own experiences with mold exposure and sensitivities, highlighting how many people struggle to get answers through conventional testing. Learn more about Dr. Kelly McCann at thespringcenter.com As Dr. Kelly referenced, you can find more information and locate mold-aware professionals through the International Society for Environmentally Acquired Illness (ISEAI): https://iseai.org/ Kelly K. McCann, MD, MPH is a triple board-certified physician in Internal Medicine, Pediatrics, and Integrative Medicine, with additional certifications in Functional Medicine and Medical Acupuncture. She is the founder of The Spring Center in Costa Mesa, California, where she specializes in complex chronic illness, including Mast Cell Activation Syndrome, mold and mycotoxin illness, Lyme disease, and environmentally acquired conditions. Dr. McCann has hosted multiple international summits on MCAS and allergy-related illness and serves on the boards of the American Academy of…

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