There are two main types of chronic obstructive pulmonary disease (COPD):
- Chronic bronchitis, defined as a prolonged cough with mucus.
 - Emphysema, characterized by the destruction of the lungs over time.
 
Most people with COPD suffer a combination of these two diseases.

Digestive 
Blood
Cardiovascular
Dermatology
Genitourinary,
Hormones
Infections
Oncology and
Musculo-skeletal
Mental health and
Parasites
Respiratory
Senses
Various
                
                



