Link Found Between Methane Production and ObesityA joint study by the Cedars-Sinai Center for Weight Loss and the GI Motility Program shows obese patients who test positive for methane on their breath have a significantly higher body mass index (BMI) than their peers. The study, which was presented at Digestive Disease Week in New Orleans, is the first in humans to show a link between the presence of methane-producing bacteria in the gut and elevated BMI, indicating that bacteria may play a role in obesity. 
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