5 simple ways to improve gut health
It may be as easy as eating a few more fibrous foods, drinking more water, and following other healthy lifestyle habits.
- Reviewed by Robert H. Shmerling, MD, Senior Faculty Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing

Why gut health matters
An essential aspect of gut health centers on the microbiome-the collection of all microorganisms (both good and bad, and their genes) living in your gastrointestinal tract. Most people have hundreds - or even thousands - of different species of bacteria, viruses, and fungi living in their gut, primarily in the large intestine.
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About the Reviewer
Robert H. Shmerling, MD, Senior Faculty Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
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