Trust Your Gut

How to nurture the nature in your tummy

Paul Greenberg
4 min readMar 22, 2022

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A still from the soon-to-be-released documentary “The Invisible Extinction” from directors Sarah Schenck and Steve Lawrence

Too often we make the mistake of seeing ecology as existing outside of us — as if the interlocking systems of the different organisms that constitute life on Earth were a performance orchestrated for our passive entertainment. But as the filmmakers Sarah Schenck and Steve Lawrence probe in their new film The Invisible Extinction a vital ecosystem lives within our bodies, helping us maintain homeostasis and ensure the foods we eat deliver the nutrition and protections we need for survival. And just as the ecosystems beyond our bodies are threatened with industrialization and pollution, so too are the ecosystems inside of us now facing their own set of threats. This week I’ve asked Sarah Schenck to draw from her great film and do a guest post on how you can maintain your inner ecosystem. Her words follow below.

We think we know the story of germs — germs are bad and make us sick, and antibiotics are the greatest advance in the history of medicine. But there is a different story to tell about germs, a surprising story: we’ve been running a radical experiment during the last 75 years without truly realizing what we’ve been doing.

Here are my chief takeaways for how you can support your “superorganism” — your body plus your resident microbes

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Paul Greenberg

New York Times bestselling author of Four Fish as well as The Climate Diet and Goodbye Phone, Hello World paulgreenberg.org