Tag Archives: Dust

Reasons for bad indoor air quality

Smoking Second-hand cigarette smoke is probably the single most important aspect of indoor air pollution. Cigarette smoke contains more than 4,000 chemicals. Research shows that secondhand smoke increases a child’s risk of developing ear and respiratory infections, asthma, cancer, and sudden infant death syndrome (SIDS). Smoking pollutes air and threaten our human health and is considered as a major global health […]