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What is COPD?

  • Chronic Obstructive Pulmonary Disease

    Chronic bronchitis and emphysema are the two most common conditions of COPD.

  • COPD Remains Widely Undetected

    COPD develops slowly, and people are often not diagnosed with it until their 50s, when the disease has greatly affected their lung function.

  • Anatomy of the Respiratory System

    The respiratory system includes the nose, pharynx, larynx, trachea, and lungs.

  • How Your Lungs Work

    Your lungs are remarkable organs with multiple roles. Each day, up to 2,300 gallons of air pass through your lungs.

  • Chronic Bronchitis

    Chronic bronchitis is a long-term inflammation of the bronchi, which results in increased production of mucus.

  • Pulmonary Emphysema

    Emphysema is a chronic lung condition in which the air sacs of the lungs are damaged or destroyed. This damage is irreversible.

  • COPD: More of Us Are Out of Breath

    You take an average of 16 breaths every minute. It's a reflex—you don't pay attention unless there's a problem. But a rising number of us literally can't catch our breath.

  • COPD: Terms to Know

    A short glossary of terms associated with chronic obstructive pulmonary disease.