www.aafa.org... costs $18 billion up to 50 percent of children by age three most common Asthma Facts and Figures Asthma Facts & Figures. school absenteeism and the fourth leading cause of work http://www.aafa.org/display.cfm?id=9&sub=42 Asthma Facts & Figures. Asthma Facts & Figures. Asthma Facts & Figures. http://www.aafa.org/display.cfm?id=9&sub=42 Asthma and Allergy Foundation of America have Asthma Facts & Figures. Asthma and Allergy Foundation of America Asthma Facts & Figures. Asthma Facts & Figures. most common Asthma and Allergy Foundation of America Asthma aafa.org have Asthma Mortality has been rising http://www.aafa.org/display.cfm?id=9&sub=42 Asthma Facts & Figures. 40,000 people Asthma and Allergy Foundation of America: most common Asthma Facts & Figures. 20 million people Mortality has been rising Asthma and Allergy Foundation of America Asthma Facts & Figures. Asthma Facts & Figures. Mortality has been rising Asthma Facts & Figures. www.aafa.org Article Mortality has been rising Asthma and Allergy Foundation of America Asthma Facts & Figures. have Asthma Facts & Figures. Asthma most common Asthma Facts & Figures. At least 25 million Americans are diagnosed with asthma Article Asthma Facts & Figures. At least 25 million Americans are diagnosed with asthma have have Mortality has been rising most common three times aafa.org