Run, don’t walk, to the laundry room. Inside Edition met up with three women with a wide range of towel washing habits to test their bath towels for bacteria. What we found shocked us. We also get some advice about the best way to kill the bacteria in your towels from microbiologist Dr. Charles Gerba. Find out why he recommends you wash your towel once every three days with hot water and use a dryer instead of letting your wet towel air dry.