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Scientists Just Overturned a 100-Year-Old Belief About Bacteria in the Lungs

Summary by Sci Tech Daily
New findings raise questions about the role of microbes living in the lungs. More than 35 trillion bacteria live throughout the human body, forming microbiomes in the gut, mouth, lungs, skin, and urogenital tract. Researchers increasingly recognize that these microbial communities are connected to both health and disease, but much about what individual microbes do [...]

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A study by the University of Michigan questions a belief established over 100 years ago about Prevotella melaninogenica bacterium, common in human lungs. The research reveals new information about the ability to survive this bacterium in oxygen environments, challenging the traditional classification that considered it a mandatory anaerobic organism. Human microbiome and its complexities The human microbiome is composed of trillions of bacteria …

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Sci Tech Daily broke the news in Encinitas, United States on Thursday, September 10, 2026.
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