One woman wrote the sounds emanating from her sleeping form are a "cross between a treed possum and a struggling car engine." Another went sneeze-less for days when abroad, but counted thirty sneezes within a few minutes of returning home. What do these stories have in common? They're the winning entries in a search for America's most allergy causing homes. Air within homes and other buildings can be more seriously polluted than outdoor air in even the largest most industrialized cities, helping make allergic rhinitis one of the most prevalent chronic diseases in the U.S., affecting 40 million Americans. Yet millions of people don't know what they can do about it. In fact, studies have shown the number of people suffering from nasal allergies has actually increased over the past two to three decades, with the greatest increases appearing in children and young adults. To help alleviate America's allergies, a contest was held to find America's most allergy causing home. Over five thousand people responded, each receiving a free guide on how to maintain an allergy free home. The winners will have a team of professional cleaners to each winner's home for an in-depth cleaning designed to help reduce home allergens.