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Welcome to the blog of “The Digestion Coach,” Dr. Marcus Ettinger.

As a practicing doctor of 36+ years and GI health specialist, I have studied, written, and treated the human body for a long time. I created this blog to provide easy-to-understand information on complex topics and to help anchor everything I study. I hope the information on my blog increases your understanding of the body, disease, and health.

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Pantothenate: Microbiome-Mediated Regulation and Strategies to Combat Sugar Cravings

Pantothenate: Microbiome-Mediated Regulation and Strategies to Combat Sugar Cravings

The Pantothenate Paradigm Bacteroides vulgatus-Mediated Regulation of Sugar Cravings and Synergistic Microbial Strategies for Metabolic and Neurodegenerative Health. Table of Contents The Microbiome-Gut-Liver-Brain Axis: Insights into Pantothenate and Hormonal Modulation... Read More
  • January 26, 2025
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B-Vitamins-Polyamines-and-SCFAs-and-the-Gut-Neurological-Link

Polyamines and SCFAs + B Vitamins: The Gut-Neurological Link

Table of Contents Why Polyamines and SCFAs Matter for Gut Health The Link Between B Vitamins and Gut Health How Leaky Gut Affects Overall Health Neurological and Systemic Implications of... Read More
  • January 25, 2025
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AI-in-Healthcare

AI in Healthcare: Advantages, Disadvantages, and Patient Care Impact

As a doctor and GI health expert, I’m reminded daily how artificial intelligence (AI) is increasingly used by patients seeking preliminary diagnoses and treatment guidance before consulting a healthcare professional.... Read More
  • January 20, 2025
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SCFAS-for-Gut-Health-and-Immunity

SCFAs Boost Influenza and Viral Immunity

Research has demonstrated that consuming a diet rich in specific foods—legumes (lentils, chickpeas, and green peas), fruits (apples and berries), grains (oats, quinoa, and barley), vegetables (onions and leeks), and... Read More
  • January 19, 2025
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Pinworm Treatment for Resistant or Stubborn Infection

Pinworm, Threadworm, Seatworm Infection Pinworm / Threadworm – The Facts Enterobius vermicularis, commonly known as the pinworm, is also known as the threadworm in regions such as the United Kingdom,... Read More
  • January 9, 2025
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The-gut-brain-axis

Gut-Brain Axis: The Microbiome and Neurological Health

Gut-Brain Axis Image – © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This open-access article is distributed under the terms and conditions of the Creative Commons Attribution (CC BY)... Read More
  • January 3, 2025
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Helicobacter-pylori-facts-page

Helicobacter pylori Facts and More Facts

Table of Contents Who discovered Helicobacter pylori (H. pylori)? How has H. pylori been passed down over the last 50,000 years? How long has the bacterium Helicobacter pylori (H. pylori)... Read More
  • December 31, 2024
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Protein-digestion-and-SIBO

Protein Digestion and SIBO

Table of Contents 1. What is Pepsin and its Role in Protein Digestion? 2. Pancreatic Enzymes: Trypsin, Chymotrypsin, and Pancreatin 3. Brush Border Enzymes and Final Breakdown 4. Impact of... Read More
  • December 29, 2024
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