Chronic obstructive pulmonary disease (COPD) is the name for a collection of lung diseases including chronic bronchitis, emphysema and chronic obstructive airways disease.
The main symptom of COPD is an inability to breathe in and out properly. This is also referred to as airflow obstruction.
Watch this short video for more information about COPD.
Useful Links
NHS.UK - A guide to the symptoms, diagnosis, treatment and risks of COPD from the NHS
Asthma + Lung UK - Information and guidance on living with COPD