ABSTRACT
ETS Asthma and Atopia ................................................................................. 72 5.5.1 Occupational Asthma.......................................................................... 73 5.5.2 Extrinsic Allergic Alveolitis ............................................................... 75
5.6 Rhinitis Risk Factor........................................................................................ 75 5.7 Hypersensitivity to Tobacco ........................................................................... 75 References................................................................................................................ 77
Allergy is a condition that involves genetic and environmental factors. The epidemiology of these conditions is the science that deals with their etiology, the relationship between various factors that determine its frequency, distribution, and control.
