Changing to a diet heavy in animal proteins rapidly changes the makeup of the gastrointestinal microbiome, according to new research, and the changes might contribute to inflammation and disease in the intestines. Nine participants in the research tried two diets, one loaded with animal proteins and fats, the other with plant-based foods and plenty of fiber. "The relative abundance of various bacteria species looked like it shifted within a day after the food hit the gut," said researcher Lawrence David. Findings suggest the possibility of altering the microbiome and treating disease with dietary interventions, says gastroenterologist Dr. Purna Kashyap.
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