Stability of Human Methanogenic Flora Over 35 Years and a Review of Insights Obtained From Breath Methane Measurements  Michael D. Levitt, Julie K. Furne,

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Presentation transcript:

Stability of Human Methanogenic Flora Over 35 Years and a Review of Insights Obtained From Breath Methane Measurements  Michael D. Levitt, Julie K. Furne, Michael Kuskowski, John Ruddy  Clinical Gastroenterology and Hepatology  Volume 4, Issue 2, Pages 123-129 (February 2006) DOI: 10.1016/j.cgh.2005.11.006 Copyright © 2006 American Gastroenterological Association Terms and Conditions

Figure 1 A comparison of the breath methane concentration of 280 healthy adults obtained in 1970 vs 212 healthy adults studied in 2005. Each point represents the breath methane concentration of an individual minus the atmospheric methane concentration. Individuals with values greater than 1 ppm above atmospheric were considered to be methane producers. Clinical Gastroenterology and Hepatology 2006 4, 123-129DOI: (10.1016/j.cgh.2005.11.006) Copyright © 2006 American Gastroenterological Association Terms and Conditions