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LMU 208 – Fermented Foods: The Key to Gut Health and Immunity

Fermented Foods: The Key to Gut Health and Immunity

Source: Journal Cell (July 2021)

Lifestyle Medicine Update (July 14, 2021)

Introduction:

Recent findings published in the journal Cell in July 2021 have highlighted the remarkable benefits of incorporating fermented foods into your diet. This dietary choice not only supports your gut microflora but also reduces systemic inflammation markers throughout your body while positively regulating your immune system. In a world where health-conscious decisions are paramount, understanding the profound impact of fermented foods on your well-being is crucial.

The Gut Microbiota: A Hidden Universe

Within your large intestine resides a bustling ecosystem composed of 400-500 different bacteria and microorganisms. Far from passive observers, these microbial inhabitants are essential for your survival, immune function, and overall health. Their composition and diversity play a pivotal role in determining your susceptibility to various health issues.

The Gut Microbiota’s Role in Health

Studies involving patients with inflammatory bowel diseases, such as Crohn’s disease and Ulcerative Colitis, have illuminated a fascinating correlation. Those with a diverse gut microbiota, especially rich in friendly anaerobic bacteria like lactobacillus and Bifidus strains, are less likely to develop these debilitating conditions. This balance is critical for digestive health, as an overpopulation of unfriendly bacteria can lead to digestive issues, infections, inflammation, and even colon cancer, which ranks as the second leading cause of cancer-related death in North America and much of the Western world.

Harnessing the Power of Friendly Bacteria

On the flip side, a robust population of friendly gut bacteria confers numerous health benefits. It bolsters your immune system, aids in detoxification, enhances digestive processes, and plays a critical role in managing conditions like irritable bowel syndrome while suppressing inflammatory responses. Unlike pharmaceuticals, which target specific symptoms, friendly bacteria offer a holistic approach to improving your overall health and well-being.

The Fermentation Revolution: A Path to Gut Health

The groundbreaking study from July 2021 showcased the transformative effects of consuming a diet rich in fermented foods, teeming with friendly bacteria. Participants who integrated an array of fermented delights, such as yogurt, kefir, sauerkraut, kimchi, and kombucha tea, into their daily meals experienced astounding results. The more fermented foods they consumed over the 10-week study, the greater the biodiversity of their friendly gut bacteria, and the lower their systemic inflammation markers became.

The researchers assessed these changes through meticulous examinations of stool samples and by analyzing 19 blood markers linked to systemic inflammation. Additionally, the study revealed a reduction in the activation of certain immune cells, a promising development for individuals contending with conditions like Crohn’s disease, Ulcerative Colitis, Rheumatoid arthritis, and other autoimmune disorders.

Dysbiosis: A Common Challenge

In today’s modern society, an increasingly common issue called dysbiosis plagues many individuals. Dysbiosis signifies an imbalance in the gut microbiota, characterized by insufficient friendly bacteria, a lack of diversity, and an overabundance of unfriendly bacteria. Dysbiosis lays the groundwork for various gastrointestinal problems, compromised immunity, heightened susceptibility to inflammation, and possibly autoimmune disorders. This imbalance is exacerbated by several factors, including the overuse of antibiotics, a diet rich in highly processed foods, reduced consumption of fiber-rich foods, and the presence of antibiotics in animal feed, which ultimately enters the human food chain through dairy and meat products.

Simple Dietary Adjustments for a Healthier Gut

The findings from the July 2021 study underscore the potential for significant improvements in gut diversity and the concentration of friendly bacteria through dietary choices. Incorporating naturally fermented foods into your daily regimen can pave the way to a healthier gut within just ten weeks.

Consider complementing this dietary shift by adding a full-spectrum probiotic supplement to your daily routine. Additionally, be mindful of consuming foods rich in fiber, which serve as nourishment for friendly gut bacteria, enabling them to thrive and outcompete less-friendly strains.

For those grappling with digestive or inflammatory issues, exploring the potential benefits of supplements containing digestive enzymes and prebiotics may be worth considering. Considering these findings, reevaluate your dietary choices and contemplate the inclusion of more fermented foods—an effortless change with the potential for substantial health rewards.

References:

  1. Main Reference: Hannah C. Wastyk, Gabriela K. Fragiadakis, Dalia Perelman, Dylan Dahan, Bryan D. Merrill, Feiqiao B. Yu, Madeline Topf, Carlos G. Gonzalez, William Van Treuren, Shuo Han, Jennifer L. Robinson, Joshua E. Elias, Erica D. Sonnenburg, Christopher D. Gardner, Justin L. Sonnenburg. [Gut-microbiota-targeted diets modulate human immune status.](https://www.cell.com/cell/fulltext/S0092-8674(21)00754-6?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0092867421007546%3Fshowall%3Dtrue) Cell, 2021.
  1. [ScienceDaily – Gut-microbiota-targeted diets modulate human immune status](https://www.sciencedaily.com/releases/2021/07/210712122151.htm)
  1. [Gut Microbiota and Inflammatory Bowel Disease](https://gut.bmj.com/content/53/5/685.abstract)
  1. [The Gut Microbiota and Its Role in Obesity](https://www.hindawi.com/journals/ijbd/2016/2718275/)
  1. [Probiotics and Gut Health](https://www.tandfonline.com/doi/abs/10.1080/089106000750060305)
  1. [Antibiotics in Animal Feed and Their Impact](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6723656/)
 
Eat Smart, Live Well, Look Great,
 

Dr. Meschino

Dr. James Meschino

Dr. James Meschino

ABOUT THE AUTHOR

Dr. James Meschino, DC, MS, ROHP, is an educator, author, and researcher having lectured to thousands of healthcare professionals across North America. He holds a Master’s Degree in Science with specialties in human nutrition and biology and is recognized as an expert in the field of nutrition, anti-aging, fitness, and wellness as well as the author of numerous books.

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