Not All Lung Bacteria Are the Enemy
Cross-disease meta-analysis also found modest associations with lung function, though findings varied by disease type
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By
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Andrea Surnit
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May 8, 2026
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1
Higher abundance of certain lung microbiome genera is linked to lower airway inflammation in chronic airway diseases.
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Prevotella and Veillonella are associated with improved lung function, but findings vary by disease state.
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The study reviewed 34 observational studies involving 4,119 patients with various chronic airway diseases.
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Methodological limitations include reliance on genus-level identification and lack of adjustment for confounding factors.
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Further research is needed to determine the role of nonpathogenic bacteria in lung health and potential therapeutic applications.
