What sort of disease is chronic bronchitis?

COPD... Chronic bronchitis is a form of chronic obstructive pulmonary disease or copd. It is typically caused by smoking and it is slowly progressive. There is no cure but there are treatments available. The best treatment and prevention is smoking cessation.
Smokers lung. The official term for lung disease associated with smoking is copd. Chronic obstructive lung disease. There's two different elements to it. One is emphysema where basically your lung anatomy is damaged. The other part of it is chronic bronchitis, characterized by coughing, mucus production for long periods of time. To me, it's a sign your breathing system is hurting. Gotta stop smoking!