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Exercise = More Diverse Intestinal Microbiome
Professional athletes are big winners when it comes to their gut microflora, suggesting a beneficial effect of exercise on gastrointestinal health, investigators report in an article published online June 9 in Gut.
DNA sequencing of fecal samples from players in an international rugby union team showed considerably greater diversity of gut bacteria than samples from people who are more sedentary.
Having a gut populated with myriad species of bacteria is thought by nutritionists and gastroenterologic researchers to be a sign of good health. Conversely, the guts of obese people have consistently been found to contain fewer species of bacteria, note Siobhan F. Clarke, PhD, from the Teagasc Food Research Centre, Moorepark, Fermoy; Alimentary Pharmabiotic Centre, University College Cork; Microbiology Department, University College Cork; and Alimentary Health Ltd, Cork, Ireland, and colleagues.
“Our findings show that a combination of exercise and diet impacts on gut microbial diversity. In particular, the enhanced diversity of the microbiota correlates with exercise and dietary protein consumption in the athlete group,” the authors write.
Gut. Published online June 9, 2014. Article abstract, Commentary extract
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