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The International Space Station is too clean, and making it “dirtier” could improve astronauts’ health, claims new research. They often experience immune dysfunction, skin rashes, and other inflammatory conditions while traveling in space. Now, a new study published in the journal Cell suggests that such health issues could be due to the “excessively sterile” nature of spacecraft. Researchers from the University of California, San Diego, found that the International Space Station (ISS) has a much lower diversity of microbes compared to man-made environments on Earth. Archive picture from March 2024 shows NASA astronauts Loral O’Hara and Jasmin Moghbeli after voting…