Avoid exposure to second-hand smoke, air pollution, fumes, dust and other lung irritants. Keep your windows closed and air filters in your home clean. Stay inside when the air quality is poor or it is too hot, cold or humid outside. Avoid using a fireplace or wood-burning stove.
Chronic bronchitis is defined as the presence of a mucus-producing cough that persists for at least 3 months in at least two consecutive years.
In people with COPD, signs of the disease are caused by the body's attempt to compensate for a damaged respiratory system.
Emphysema is an irreversible, progressive condition characterized by inflammation and reduced airflow in the lungs.