Because obesity increases risk for cognitive impairment and depression, being able to achieve and maintain an optimal body weight is an important mind-health strategy.
A study published in The International Journal of Obesity pointed to the nature of the gut microbiome, the bacterial cells living in the human gastrointestinal tract, as a determinant of whether a person will succeed in losing weight from a diet.
In a study of 62 overweight volunteers, Danish scientists assessed the ratio of two gut bacteria, Prevotella and Bacteroides. Half of the study volunteers followed a low-fat, high-fiber diet while the other half consumed a typical Danish diet.
Volunteers with a higher ratio of Prevotella to Baceteroides lost significantly more weight on the high-fiber diet than those with a lower ratio.
The results suggest that greater understanding of the gut microbiome may help people lose weight more efficiently.
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