Respiratory disorders sourcebook : basic consumer health information about the risk factors, symptoms, diagnosis, and treatment of lung and respiratory disorders, including asthma, bronchitis, chronic obstructive pulmonary disease (COPD), influenza, lung cancer, pneumonia, and other infectious and inflammatory pulmonary diseases; along with information about pediatric respiratory disorders, tips on preventing respiratory problems and living with chronic lung disease, a glossary of related terms, and a directory of resources for additional help and information