<ul><li>New research suggests that the International Space Station (ISS) might benefit from having a more diverse microbial community.</li><li>The excessive cleanliness of the ISS may be contributing to health issues experienced by astronauts including immunity problems and skin rashes.</li><li>The study found that the ISS has a lower diversity of microbes compared to human-built environments on Earth, with most species introduced by visiting astronauts.</li><li>Adding more Earth microbes to the ISS could potentially improve astronaut health without compromising hygiene.</li></ul>

The space station is too darn clean, research suggests

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