If you are a smoker then you know how harmful it is for your lungs and you also can’t stop smoking. Here is a way which will help you greatly to detoxify your lungs which will improve the condition of your lungs greatly. So if you are not able to quit smoking, at least do this also for your healthy lungs.
Although it is very beneficial for smokers but also many non smokers face lungs related issues, so this is universal. :-