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1慢性阻塞性肺病慢性阻塞性肺病(COPD)是指一组气流受限且不完全可逆的慢性气道疾病。尽管遗传学和环境因子与COPD有一定关联,但吸烟是其发展的最重要诱因。COPD发病主要见于年龄在40～60岁间的长期吸烟人群,该人群还常伴有各种和吸烟或老化相关的其它疾病。职业粉尘及其污染物
1 Chronic Obstructive Pulmonary Disease Chronic obstructive pulmonary disease (COPD) is a group of chronic airway diseases with limited airflow and incomplete reversibility. Although genetic and environmental factors are associated with COPD, smoking is the most important incentive for its development. Chronic obstructive pulmonary disease (COPD) occurs mainly in long-term smokers aged between 40 and 60 years and is often accompanied by various other conditions associated with smoking or aging. Occupational dust and its contaminants