Researchers say that the amount of microbiome diversity in the feces are an indicator of the visceral fat in the body.
A recent study conducted at the department twin research and genetic epidemiology at Kings College involving the stool sample analysis from 3,600 twins.
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The conclusive results of the study, published in Genome Biology, revealed that the bacteria found in the human faeces indicate that levels and influence of dangerous fats in the body.
The research team obtained and extracted information from study participants about the human faecal microbiome, which is the bacterial composition of the faeces, and compared these to six different measures of obesity, including body mass index (BMI) and different types of body fat.
Upon analysis, the researchers found that the levels of faecal microbiome had an inversely proportionate relationship with visceral fat. That means that people with more diverse microbiome had less visceral fat while those with less diverse microbiome had more visceral fat.
Visceral fat is the type of fat that accumulates under the skin tissue and plays a role in inducing a great variety of cardiovascular diseases.
Dr Michelle Beaumont, lead study author explained to BBC that the link established in the study, although clearly indicated does not carries any explanation with it.
A reigning theory among the researchers is that a lack of variety in faecal bacteria could lead to the domination of high levels of gut microbes which are good at turning carbohydrates into fat.
Dr. Beaumont added that they cannot precisely predict how communities of bacteria in the gut might influence the storage of fat in the body, or whether a different mechanism is involved in weight gain because the study was observational. However further studies of fat in the gut will help explain this phenomenon more clearly.