Bringing outside shoes inside home is health hazard: Scientists

Wearing shoes in the house is just plain gross and a potential health hazard, scientists who study indoor contaminants have warned. Some of the microorganisms present on shoe bottoms are drug-resistant pathogens that are very difficult to treat. Moreover, they also consist of cancer-causing toxins from asphalt residue on roads as well as endocrine-disrupting lawn chemicals, the researchers found.