It was once widely used in shingles, fireproofing, heating sys-tems, floor and ceiling tiles of older buildings. When asbestos-containing material is damaged or disintegrates, microscopic fibers are dispersed into the air. Asbestos is most dangerous in industrial settings. Secondhand smoke can cause serious health problems, especially for children. Ask smokers to take it outside.
Good ventilation reduces indoor air pollution.
Leave doors between rooms open most of the time for better air circulation. Open windows when possible to allow for a good supply of outdoor air. However people with asthma, allergies and COPD may benefit from keeping windows closed and using airconditioners when outdoor pollens and pollutants are high. Install exhaust fans in bathrooms to remove moisture and chemicals from the house. Keep humidity levels low with a dehumidifier or air conditioner, as needed.