Latest / The Dr. Gabrielle Lyon Show

MCAS, POTS & Histamine Intolerance: Hidden Drivers of Chronic Symptoms | Michelle Shapiro, RD
Mysterious symptoms. Confusing diagnoses. Years of being dismissed.
In this episode, Michelle Shapiro joins me to unpack the often misunderstood and overlooked world of mast cell activation syndrome (MCAS), histamine intolerance, postural orthostatic tachycardia syndrome (POTS), and hypermobility conditions.
Drawing from her own health journey and experience with thousands of clients, Michelle unpacks why conventional medicine often overlooks these complex, overlapping conditions—and how a root-cause, systems-based approach can lead to real healing. From nervous system regulation to…
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