More rural residences have less bacteria and fungi than their urban counterparts. (Credit: Elise Lefran/Shutterstock)

Moving to the city might mean gaining some unexpected roommates. New research finds that urban dwellings host more fungi and bacteria than their rural counterparts. This is despite the fact that city homes use more cleaning and antifungal products.

The finding, published yesterday in Nature Microbiology, could provide clues about why urban residents have higher rates of he