Smoking does not necessarily cause lung fibrosis. However, smoking a lot of cigarettes for a long time is a high-risk factor for the formation of lung fibrosis.
There are many hazards of smoking, long-term smoking will damage the bronchial mucosa and cilia, leading to a decline in the bronchial defense ability, alveolar function, easy to cause chronic bronchitis, emphysema, etc., and over time the lesions will proliferate, remodeling, and may gradually progress to fibrosis.
In summary, smoking is likely to cause lung fibrosis. To avoid such a disease, quitting smoking is the most crucial step. Smokers should have regular medical checkups to determine whether there are any lesions in the lungs through chest X-rays and other related tests, and if treatment is needed, follow the doctor’s instructions.