Health Center - Chronic Obstructive Pulmonary Disease (COPD)

Chronic obstructive pulmonary disease (COPD), a lung disease most often caused by smoking, limits the amount of oxygen you can take into your bloodstream and the amount of carbon dioxide you can be breathe out. Learn about the symptoms of COPD and treatment options.
COPD Guide

ask the expert

I always thought I had asthma, but now my doctor thinks I have COPD. What is the difference?

I've recently been diagnosed with COPD, and I feel pretty confused and alone. Where can I find resources and support for living with this condition?