It's supposed to help you get clean, but is your showerhead making you sick? To find out what might be lurking in your showerhead, Inside Edition ran some testing, taking 22 swabs from 11 different showerheads. Inside Edition sent off the swabs to Virginia Tech University, where top microbiologist Joseph Falkingham oversaw the testing. "Were you surprised by the results?" asked Inside Edition correspondent Diane McInerney. "Yes I was," he answered. "There are some high numbers that worry me."