What Is COPD?
- VHL HealthSheet #82431_VA
Chronic obstructive pulmonary disease (COPD) is a group of diseases that limit the flow of air into and out of the lungs. COPD includes chronic bronchitis and emphysema, most often caused by heavy, long-time cigarette smoking. COPD can also include chronic asthma.
- VHL HealthSheet #82995_VA
Your lungs take air in to give your body oxygen, which the body needs to work. Your lungs, like all the tissues in your body, are made up of billions of tiny specialized cells. Old lung cells die and are replaced by new, identical lung cells.