Smokers are a high-prevalence COPD place. Long-term smoking and long-term exposure to dust and PM2.5 are the predisposing factors for COPD. High-risk groups should have regular lung function tests.

Over 80% of patients with COPD are smokers

　　Smoking is the chief culprit of COPD. Among the smokers who smoke all the year round, many people suffer from coughing and spitting for a long time For other diseases, they often do not care about it. Smokers with these symptoms should pay attention, especially those over the age of 40 who have a history of smoking, often coughing, wheezing, and gasping. You should pay more attention after catching a cold. Perhaps this cough is a symptom of COPD. Data show that more than 80% of male patients with COPD are smokers. Therefore, smoking cessation is the "first prescription" for COPD.

　　Second-hand smoke, long-term exposure to dust, PM2.5 environment, can also be a predisposing factor for COPD.

　　It is important to check lung function regularly

　　The most effective way to find COPD is to measure lung function. It is a simple and painless examination. It only takes a few breaths against the spirometer to objectively evaluate the degree of airway obstruction. Unfortunately, this test is far less popular in my country than blood pressure and blood glucose measurement, so that more than 50% of patients with COPD do not know that they have this disease. But the reality is often that patients wait for symptoms such as shortness of breath and dyspnea after the activity before going to the hospital for consultation, but the condition is generally moderate to severe, and the difficulty of treatment is greatly increased.

　　Five groups of people should pay special attention

　　Experts recommend that five groups of people should undergo lung function tests:

　　Long-term smokers (including active and passive smokers) ), especially people over the age of 40, but if smoking for a long time or a large amount of smoking, regardless of age should be tested;

　　People who repeatedly cough and expectorate;

　　 feel after activity Chest tightness and shortness of breath, especially those who gradually increase;

　　People who are exposed to polluted gas and dust in the working environment;

　　Patients with respiratory diseases, such as those with lung diseases, should be checked regularly Lung function.