http://www.totalductcleaning.com/Lungs_disease_-_prevention_is_better_than_control.html
One of the crowning concerns among environmentalists today is interior expose pollution. Scientific evidence indicates that interior dirtying is farther more dangerous than exterior pollution. Research has proved that most individuals spend about 22%of the daily time indoors, either in office or in homes.
Indoor pollution mainly affects the lungs and other parts of respiratory tract. The most ordinary lung disease evoked and triggered by indoor pollution is asthma. The problem is accent and frequent in old and small children. Humidity, smoke small suspended impurities in the air is the main drive for triggering the disease.Total Duct Cleaning