#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

26:59 Leaky Gut, Gluten, and Autoimmunity

29:14 Diagnosing SIBO Accurately

31:29 How Stress Triggers Digestive Disorders

33:44 Functional vs. Conventional Medicine

35:59 Lifestyle Changes for Gut Health

38:13 Closing Reflections and Final Stats

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