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Microbiome and well-being: a meta-analysis.

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This summary is machine-generated.

The human microbiome, encompassing all microbes within us, is linked to psychological well-being. Higher microbial diversity and abundance positively correlate with better mental health, suggesting a role in promoting wellness.

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Area of Science:

  • Microbiome research
  • Psychological well-being
  • Human health

Background:

  • The human microbiome's role in health and disease is significant.
  • Most research focuses on disease (pathogenesis), neglecting its role in well-being.
  • The connection between the microbiome and psychological well-being is underexplored.

Purpose of the Study:

  • To conduct the first meta-analysis on the human microbiome and psychological well-being.
  • To synthesize empirical evidence on this association.
  • To explore the microbiome's potential role in promoting well-being.

Main Methods:

  • Meta-analysis of eight empirical studies.
  • Involved 2526 participants.
  • Examined associations between microbiome diversity, taxonomic abundance, and psychological well-being.

Main Results:

  • Microbial diversity and taxonomic abundance are positively associated with psychological well-being.
  • Microbial diversity is a stronger predictor of well-being than abundance.
  • Associations were consistent across different sexes and age groups.

Conclusions:

  • Microbiome composition may support salutogenesis (health promotion).
  • Provides a foundation for integrating microbiome science into psychological interventions.
  • Further research is needed due to limited study numbers and generalizability.