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Not All Lung Bacteria Are the Enemy

Cross-disease meta-analysis also found modest associations with lung function, though findings varied by disease type

  • By

  • Andrea Surnit

  • May 8, 2026

  • 4 min

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  • 1

    Higher abundance of certain lung microbiome genera is linked to lower airway inflammation in chronic airway diseases.

  • 2

    Prevotella and Veillonella are associated with improved lung function, but findings vary by disease state.

  • 3

    The study reviewed 34 observational studies involving 4,119 patients with various chronic airway diseases.

  • 4

    Methodological limitations include reliance on genus-level identification and lack of adjustment for confounding factors.

  • 5

    Further research is needed to determine the role of nonpathogenic bacteria in lung health and potential therapeutic applications.

Original Source(s)

Not All Lung Bacteria Are the Enemy

  • by Andrea Surnit

  • May 8, 2026

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