gut microbiome

Exhaled breath may carry clues to gut microbiome health

by Washington University in St. Louis edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes  The GIST Add as preferred source Credit: MedPoint 24 from Pexels The human gut is home to trillions of beneficial microbes that play a crucial role in health. Disruptions in this delicate community of bacteria and viruses—called the gut microbiome—have been linked […]

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Medications change our gut microbiome in predictable ways, research reveals

by Laura Castañón, Stanford University edited by Lisa Lock, reviewed by Robert Egan  Editors’ notes In the gut, microbes coexist and compete for nutrients. This illustration uses a tug-of-war metaphor to highlight a central finding of the study: interactions between nutrient competition and drug treatment shape how the gut microbiome responds as a community. Understanding this interplay can

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Gut microbiome tests are everywhere. Should you get one?

by Devi Shastri edited by Andrew Zinin  Editors’ notes This photo provided by Tiny Health in October 2025 shows the company’s swab for their gut health test. Credit: Tiny Health via AP At-home gut microbiome tests are trending, selling insights to the curious, empowerment to the chronically ill and a claimed path to longevity to the

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Does resistance training really improve your gut microbiome?

by Rosie Young, The Conversation edited by Gaby Clark, reviewed by Andrew Zinin  Editors’ notes Credit: Unsplash/CC0 Public Domain Lifting weights just two or three times a week can significantly change the trillions of bacteria living in your gut, and it might happen in as little as eight weeks. That’s according to a recent study—not yet peer-reviewed—finding that previously

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Microplastics found to change gut microbiome in first human-sample study

by United European Gastroenterology edited by Sadie Harley, reviewed by Robert Egan Editors’ notes Credit: Pixnio, CC0 New research presented at UEG Week 2025 shows that microplastics—plastic particles smaller than 5 mm commonly found in the environment—can alter the human gut microbiome, with some changes resembling patterns linked to depression and colorectal cancer. This study, conducted within the framework

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Medications leave lasting mark on gut microbiome, even years after use

by Estonian Research Council edited by Gaby Clark, reviewed by Robert Egan Medications taken years ago can continue to shape the human gut microbiome, according to a large-scale study from the University of Tartu Institute of Genomics. Analyzing stool samples and prescription records from over 2,500 Estonian Biobank participants in the Estonian Microbiome cohort, researchers found that the majority of

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Gut Microbiome Changes in Chronic Pain — Test and Treat?

A new study adds to what has been emerging in the literature — namely that there appear to be gut microbiome “signatures” for various pain conditions — suggesting that microbiome-based diagnostics and therapeutics may one day be routine for a broad range of pain conditions. “There is now a whole list of pain conditions that appear to

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