[header] How to improve your home's air quality [title] Understand the risk of poor air quality at home. [step] Immediate effects include irritation of the eyes, ears, nose, and throat. These symptoms may present as a common cold, or allergies, but should fluctuate. 
[substeps] Long-term effects include the possibilities of respiratory disease, cancer, and heart disease. Currently, research is underway to determine precisely what level of certain pollutants cause these effects.