
Your Cell Phone
Your cell phone is easily one of the dirtiest things in your home. One 2009 study published in the Annals of Clinical Microbiology and Antimicrobials tested the phones of 200 healthcare workers and found that 31.3 percent were contaminated with gram-negative strains of bacteria.
But it gets worse: According to the National Institute of Allergy and Infectious Diseases, certain types of gram-negative bacteria have become increasingly resistant to available antibiotic drugs. So you’ll want to wipe down your smartphone stat!