Five types of people must have their lungs checked

In order to detect the disease early, five types of people must undergo lung function tests:

One is the long-term smoker.

Second, repeated coughing and sputum production indicates the presence of airway or lung disease.

Third, those who feel chest tightness and shortness of breath after activities, especially those who feel the condition gradually worsens.

Fourth, people who are exposed to polluted gases and dust in the working environment.

Fifth, patients with respiratory diseases, such as bronchial asthma and chronic obstructive pulmonary disease.