What about 15 cigarettes a day for 40 years?

Smoking 15 cigarettes a day for 40 years requires immediate cessation of smoking, regular visits to the hospital for monitoring, and appropriate exercise.
1. Quit smoking immediately: Smoking 15 cigarettes a day for 40 years with a smoking index of 600 is considered heavy smoking, which may cause a variety of diseases, such as chronic obstructive pulmonary disease (COPD), lung cancer, and coronary heart disease, and quitting smoking immediately can reduce the incidence of the above mentioned diseases to a certain extent.
2. Go to the hospital for regular monitoring: for example, regular chest CT may be needed to check for lung cancer, and regular lung function tests may be needed to assess whether there is any combination of chronic obstructive pulmonary disease (COPD), so that timely intervention can be carried out in the event of the above situations.
3. Appropriate exercise: Long-term heavy smoking will cause a certain degree of damage to lung function, through appropriate exercise can improve lung function to a certain extent, improve the patient’s respiratory status.
Smoking is harmful to health and should be quit in time.