Thus, for many people, the risks to health from exposure to indoor air pollution may be greater than risks from outdoor pollution. Other research indicates that people spend approximately 90% of their time indoors. In the last several years, a growing body of scientific evidence has indicated that the air within homes and other buildings can be more seriously polluted than the outdoor air in even the largest and most industrialized cities. Indoor air pollution and exposure to hazardous substances in the home are risks we can do something about. Some are risks we might decide to avoid if we had the opportunity to make informed choices.

Some we choose to accept because to do otherwise would restrict our ability to lead our lives the way we want. Driving in cars, flying in airplanes, engaging in recreational activities, and being exposed to environmental pollutants all pose varying degrees of risk. We all face a variety of risks to our health as we go about our day-to-day lives. “Walking into a modern building can sometimes be compared to placing your head inside a plastic bag that is filled with toxic fumes.”

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