This is the problem, we still have doctors in their full ingnorance telling people to get rid of their carpets and go to hard surface floors to minimize allergys without any knowledge of what those hard surface floors are made of. They even use words like "that carpet is a dust trap" without realizing what they just said. Yeah! carpet is a very efficient dust trap. Traps the dust and allergens at floor level where you can"t breathe it. There 2 brochures available at the CRI that every carpet cleaner should be distributing to his customers One is titled, cleaner air may be right under your feet and the other is often-held myths surrounding carpet are dispelled.