What Is IBS? Signs, Triggers & Root Causes Most Doctors Miss | Functional Medicine Guide | Podcast #471

What Is IBS? Signs, Triggers & Root Causes Most Doctors Miss | Functional Medicine Guide | Podcast #471

March 5, 2026 · 28 min

About this episode

Dr. Justin Marchegiani discusses the complexities of Irritable Bowel Syndrome (IBS) and the often overlooked root causes that conventional medicine misses.

What Is IBS? Signs, Triggers & Root Causes Most Doctors Miss | Functional Medicine Guide | Podcast #471 📅 Book a Consultation: https://www.justinhealth.com/free-consultation 📘 Dr. J's Thyroid Book (The Thyroid Reboot): https://www.thyroidreboot.com Irritable Bowel Syndrome (IBS) affects 10–15% of the population — yet most people are told "everything looks normal" and sent home with no real answers. If you're struggling with bloating, gas, constipation, diarrhea, abdominal pain, fatigue, or brain fog, IBS may be the label, but it's rarely the root cause. In this episode, functional medicine doctor and licensed chiropractor Dr. Justin Marchegiani breaks down what IBS actually is, why conventional medicine so often fails IBS patients, and the hidden root causes driving your symptoms that most gastroenterologists never test for. What You'll Learn: Why IBS is a "diagnosis of exclusion" — and what that really means for your health The three IBS patterns (IBS-C, IBS-D, IBS-M) and how to identify yours Hidden gut triggers: SIBO, parasites, dysbiosis, candida, and leaky gut How food sensitivities, gluten, and enzyme deficiencies drive IBS flares The gut-brain axis: why chronic stress…

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