What causes old lung lesions?

The main cause of old lung lesions is the existence of original lung diseases, and there is no cure. At this time, it is affected by adverse environmental factors, such as living and working in an environment with poor air quality, which is easy to form old lung lesions and requires active treatment. Should also pay attention to the adjustment of all aspects of life at ordinary times, outdoor exercise, pay attention to window ventilation, promote the circulation of air, choose to eat high protein and high vitamin food. When there is a serious respiratory asthma problem, you need to seek medical advice.