Chronic Lower Respiratory Tract Diseases
Chronic respiratory diseases (CRDs) are common and increasing in relative terms as causes of disability and death. CRD refers to non-infectious conditions of the lung and respiratory tract, excluding cancers and trauma. The focus of this chapter is on the more common of these conditions, but we have been influenced by the availability of data. Not addressed are two common conditions of the upper respiratory tract, allergic and chronic rhino-sinusitis, that cause considerable disability but are not associated with substantial mortality. Smoking cessation and reduction or elimination of other harmful exposures is an important component of the management of any chronic respiratory disease. Tobacco cessation is addressed in chapter 4 in this volume and also in the volume on cancer.
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