Straight from the gut: Microbes can cause obesity

(Medical Xpress) -- Obesity and chronic liver disease can be triggered by a family of proteins that alter populations of microbes in the stomach, a discovery that suggests the condition may be infectious, Yale scientists report. The study, in the advance online publication of Nature, expands on earlier Yale research that showed how similar microbial imbalances caused by the same family of proteins increases the risk of intestinal diseases such as colitis.

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