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Exercise and the Gut Microbiome
08/06/2024

This is an in-depth study that not only gives detailed insight into how the gut microbiome works and how it develops, but the interaction between gut health, exercise, and disease. This study is based on the premise that, "An increasing body of evidence suggests that gut microbiota can be modulated by different factors, such as infection, disease, diet, antibiotics, and exercise, and, in turn, these modulations can affect some diseases. Interestingly, exercise can determine changes in the gut microbial composition playing a positive role in energy homeostasis and regulation."

Some key takeaways from the study include:

  • Low intensity exercise can influence the GIT reducing the transient stool time and thus the contact time between the pathogens and the gastrointestinal mucus layer. As a consequence, it seems that exercise has protective effects, reducing the risk of colon cancer, diverticulosis, and inflammatory bowel disease.
  • Exercise increases the natural diversity and composition of gut flora which reduces colon disease risk.
  • Exercise with extreme restriction/lack of food can increase negative bacteria.
  • Exercise and gut flora help control and regulate appetite.
  • Exercise plays an important role in prevention of diet-induced obesity producing a microbial composition that is beneficial for overall lean mass.
  • Exercise played an anti-inflammatory action in the gut.

Whilst some (not all) of the studies examined in this review came from rat subjects, many have since been tested on the human gut, or were already human tested. The results were consistent on both human and animal subjects, movement is good for the gut!

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5357536