Your Body Contains More Bacterial Cells Than Human Cells

Trillions of microorganisms, primarily bacteria, reside in and on your body, outnumbering human cells by a ratio closer to 1.3:1. These microbes play crucial roles in digestion, immunity, and even mood regulation.

Source

https://www.nih.gov/news-events/news-releases/nih-human-microbiome-project-defines-normal-bacterial-makeup-body

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Published: March 27, 2026
views: 1

Biology Science Human Body Microbiology Bacteria Microbiome Cells Gut Health

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