Your body is a bustling microbial city
Trillions of microbes live within us, influencing everything from digestion to mental health, proving our bodies are complex ecosystems shaped by these tiny residents.
For years, scientists thought microbes in our bodies outnumbered our own cells ten to one. While early research, like the Human Microbiome Project, popularized this idea of 300 trillion microbes to 30 trillion human cells, newer studies suggest a closer one-to-one ratio. We're still talking about trillions of microbial cells, roughly 39 trillion, living alongside our 38 trillion human cells.
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