Bronchitis and emphysema: importance of environmental factors and prevention

The importance of environmental factors in Bronchitis and Emphysema is analysed in general terms, namely in which concerns the atmospheric pollutants, the tobacco smoke and occupational, socioeconomical and infectious features. The environment is also pointed out according to its relationships with endogenous factors. Personal research in the concerned areas are presented namely in the smoking and occupational fields and in studies on the deep lung. Preventive measures of Bronchitis and Emphysema are presented and briefly analysed.