You might think that the more you clean, the less germy your home is.
That’s what Laura-Isobel McCall, a biochemist at the University of Oklahoma, thought she’d find when she started comparing microbes between rural and urban homes in Peru and Brazil.
“We expected that all the microbes would actually become less diverse with urbanization, and that’s not at all what we found for the fungi,” she says.
In a new study in Nature Microbiology, McCall and her co-authors found that the fungal diversity was actually higher in urban homes, and it might be because of peoples’ cleaning products and urban lifestyles.
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