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Gut bacteria 'too low' in quarter of population

Scientists say that around a quarter of the population, particularly those who are obese, have 40% less intestinal bacteria than needed to maintain good health, according to a study published in the journal Nature.

Researchers from Europe conducted a genetic analysis on human gut microbial composition on 292 people from Denmark. Of the subjects, 169 were obese and 123 were at a normal, healthy weight.

Results of the analysis revealed that a quarter of the participants had 40% fewer gut bacteria genes and correspondingly less bacteria than average.
 
 

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