The Best Years in Life) It sounds like fiction but it’s true: the air inside your home is between two to five times more polluted than the air outside; and considering the fact that most Americans spend up to 90 per cent of their time indoors, the statistics are a worry. The problem is as bad for homes as it is for schools, with CNN reporting that at least a third of schools in the United States have enough indoor pollution to cause respiratory problems in children and adults alike. In this post, we reveal some of the most common indoor pollutants and suggest ways you can inhale cleaner, purer air at home. We also mention supplements that can boost your immunity against the problems indoor air pollution can cause. Read More.