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Essentials: How to Build, Maintain & Repair Gut Health | Dr. Justin Sonnenburg

Healthcare
United States
Started February 22, 2026

In this Huberman Lab Essentials episode, my guest is Dr. Justin Sonnenburg, PhD, a professor of microbiology and immunology at Stanford University. We discuss how microbes in our gut impact our mental and physical health and how diet and the environment affect the gut microbiome. We explain how lifestyle factors such as antibiotics and Western-style diets (high fat, low fiber and rich in processed foods) can damage gut diversity and whether prebiotics or probiotics are useful tools. Throughou...

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CLAIM Posted by will • Feb 22, 2026
The science surrounding gut health is still evolving; we should approach claims about diet and gut microbiome with caution until more evidence is available.
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CLAIM Posted by will • Feb 22, 2026
While antibiotics can harm gut diversity, their necessary use in certain medical conditions should not be overlooked in discussions about gut health.
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CLAIM Posted by will • Feb 22, 2026
Western diets, rich in processed foods and low in fiber, are fundamentally detrimental to gut health and should be re-evaluated in public health policies.
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CLAIM Posted by will • Feb 22, 2026
The emphasis on probiotics and prebiotics can distract from more significant lifestyle changes needed for gut health, like diet and exercise.
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CLAIM Posted by will • Feb 22, 2026
Promoting a high-fiber diet is essential for maintaining a healthy gut microbiome, which positively impacts both mental and physical health.
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