Gut Health, IBS & Brain Fog with Dr. Harris

2025-06-30

#20: Did you know your gut health could be the root cause of your brain fog, anxiety, poor sleep, or even autoimmune issues? In this episode of The Science of Sound, Dr. Paul Harris joins host Aaron Fournier to uncover the shocking connections between IBS, SIBO, your nervous system, and your mental clarity. This is more than a digestion conversation—it's a deep dive into the core of your health. Dr. Harris shares: How food poisoning can trigger long-term gut damage What hydrogen sulfide gas says about your m...

#20: Did you know your gut health could be the root cause of your brain fog, anxiety, poor sleep, or even autoimmune issues? In this episode of The Science of Sound, Dr. Paul Harris joins host Aaron Fournier to uncover the shocking connections between IBS, SIBO, your nervous system, and your mental clarity.

This is more than a digestion conversation—it's a deep dive into the core of your health.

Dr. Harris shares:

How food poisoning can trigger long-term gut damage

What hydrogen sulfide gas says about your microbiome

The surprising brain-gut link and role of glutamine

Why 70% of your immune system is in your gut

How to reset your digestion with low-fermentation diets and vagus nerve stimulation

Learn how stress, autoimmunity, and even childhood trauma can disrupt your gut—and what you can do starting today to heal your system from the inside out.

00:00 Introduction

02:14 Understanding IBS and SIBO

04:29 Common Gut Symptoms and Diagnosis Delays

06:44 What Food Poisoning Has to Do with Gut Health

08:59 Gallbladder Issues and Bile Toxicity

11:14 Stool Smell, Bacteria, and Digestive Clues

13:29 Autoimmune Connections and Molecular Mimicry

15:44 Migrating Motor Complex Explained

17:59 Diabetes and the Nerve-Gut Link

20:14 How Neurotransmitters Are Made in the Gut

22:29 GABA, Glutamine, and Emotional Balance

24:44 Immune System in the Gut