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Wondering If Fermented Foods Can Cure Your Digestive Ills? The Answer Is Yes.

These fermented foods can improve your microbiome and health

Amy Sterling Casil
5 min readMay 10, 2023

What is the deal with fermented foods, our microbiome, and our gut health?

Different sources state it differently, but according to the National Institutes of Health (NIH), there are about 40 trillion bacterial cells in our bodies and 30 trillion … human cells. The majority of the bacterial and other microbial cells in our body are located in our gut, or digestive system.

A mason jar with homemade sauerkraut and several different kinds of fruits and vegetables.
Homemade sauerkraut, photo by author

That’s right: as organisms, we are made up of more bacteria than our own human cells.

Today, most scientists recognize the human microbiome as another organ. It is the least-studied of the major organs, but researchers have already the microbiome’s influence on metabolic functioning, digestion, the immune system, and mental and emotional health.

Our Food System Has Killed All the Microbes In Our Microbial Garden

I try to think of my microbiome as a garden. And, I think that this garden inside our bodies seems related to and dependent on the food system that feeds us. The Standard American Diet (SAD) and food system come from very non-diverse sources. Most of our agriculture…

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Amy Sterling Casil
Amy Sterling Casil

Written by Amy Sterling Casil

Over 500 million views and 5 million published words, top writer in health and social media. Author of 50 books, former exec, Nebula nominee.

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