Patients who have smoked for 20 years will not experience significant changes after quitting smoking for more than 50 days, but the symptoms of coughing and phlegm may be relieved.
Smoking is an important cause of chronic bronchitis, chronic obstructive pulmonary disease, lung cancer and other diseases, long-term smoking will produce irreversible damage to the respiratory system as well as the circulatory system.
In patients who have smoked for 20 years, the decline in elasticity of the bronchial wall cannot be reversed due to long-term smoking, and even if they quit smoking now for 50 days, there will be no significant change, and some patients may experience relief from coughing and sputum due to reduced irritation.
Although the pathological changes caused by long-term smoking cannot be reversed, timely smoking cessation can prevent further progression of the disease. For the sake of the health of the patient and his family, it is recommended that the patient persist in quitting smoking.