Higher physical activity levels are related to faecal microbiota diversity and composition in young adults
2024

Physical Activity and Gut Microbiota in Young Adults

Sample size: 88 publication 10 minutes Evidence: moderate

Author Information

Author(s): Lourdes Ortiz-Alvarez, Huiwen Xu, Samuel Ruiz-Campos, Francisco M. Acosta, Jairo H. Migueles, Ramiro Vilchez-Vargas, Alexander Link, Julio Plaza-Díaz, Angel Gil, Idoia Labayen, Jonatan R. Ruiz, Borja Martinez-Tellez

Primary Institution: University of Granada

Hypothesis

Increased levels of physical activity are associated with elevated faecal microbiota diversity and a greater prevalence of beneficial bacteria.

Conclusion

The study found that higher physical activity, especially vigorous activity, is linked to greater diversity in gut microbiota among young adults.

Supporting Evidence

  • Overall physical activity and time spent in vigorous activity were positively correlated with alpha diversity indexes.
  • Participants with low vigorous activity had higher relative abundance of the Gammaproteobacteria class.
  • High vigorous activity was associated with higher relative abundance of the Porphyromonadaceae family.

Takeaway

If you move around more and exercise, your gut bacteria can be healthier and more diverse, which is good for your body.

Methodology

A cross-sectional study measured physical activity using accelerometers and analyzed faecal microbiota diversity through DNA sequencing.

Potential Biases

Potential biases from self-reported dietary intake and the cross-sectional nature of the study.

Limitations

The study's cross-sectional design limits causal interpretations, and findings may not apply to older adults or those with metabolic diseases.

Participant Demographics

Young adults aged 18-25, with 72.7% being women.

Statistical Information

P-Value

P ≤ 0.034

Statistical Significance

p ≤ 0.034

Digital Object Identifier (DOI)

10.5114/biolsport.2025.139850

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication