Washington: The content of a person`s breath may indicate how susceptible they are to weight gain, a new study led by an Indian researcher has revealed.People whose breath has high concentrations of both hydrogen and methane gases are more likely to have a higher body mass index and percentage of body fat, according to the findings. The combination of the two gases signals the presence of a microorganism that may contribute to obesity.A person exhales larger amounts of hydrogen and methane gases when a microorganism called Methanobrevibacter smithii (M. smithii) colonizes the digestive tract. Previous research has shown that M. smithii is the predominant organism in the human gastrointestinal tract responsible for methane production."Normally, the collection of microorganisms living in the digestive tract is balanced and benefits humans by helping them convert food into energy," lead author Ruchi Mathur, M.D., director of the Outpatient Diabetes Treatment and Education Center in the Division of Endocrinology at Cedars-Sinai in Los Angeles said.
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