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On One ConditionAuthor: Sylvain Berthelot
On One Condition is a podcast for anyone who wants to learn about a specific health condition. Hear from people who live with a condition, how it affects them and how they manage it. Sylvain Berthelot has worked in the clinical trial industry for over a decade. He is naturally curious and passionate about how the body functions. Through his interviews, he aims to give fellow human beings a voice, spreading the word about the multitude of medical conditions that affect us. Language: en Genres: Health & Fitness, Medicine Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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Episode 81: Carter Hemion - EDS & MCAS
Episode 81
Wednesday, 4 March, 2026
Carter lives with multiple conditions, and this episode is focused on two of them: Ehlers-Danlos Syndrome (EDS) and Mast Cell Activation Syndrome (MCAS). Carter’s story is one of quiet endurance, misdiagnosis, rediscovery, and ultimately purpose.Born with classical EDS caused by a collagen gene variant, Carter spent two decades sensing “something wasn’t quite right” before receiving a diagnosis. Years of chronic pain, joint instability, GI issues, and nerve problems were compounded by mast cell symptoms that mimicked psychiatric illness – hallucinations, mood swings, anxiety.We discuss the profound shift after Carter’s diagnosis and receiving the right treatment for MCAS: clearer thinking, emotional stability, and physical relief. Deeper than the physical symptoms, Carter speaks with wisdom about reclaiming selfhood and finding peace. He also reflects on discovering a community who understands him, and finding a purpose in advocacy.Carter’s reflections on resilience, stigma in healthcare, identity, and hope are thoughtful and deeply human.The song that he chose is Standing Outside the Fire by Garth Brooks.













