Chronic Obstructive Pulmonary Disease (COPD)

COPD refers to any lung disease that has the following common effects on the patient:

  • increased resistance to air movement
  • extended expiratory phase of respiration
  • loss of the normal elasticity of the lung

Examples of COPD are emphysema and chronic bronchitis, with smoking being the main contributor to COPD.1

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  • 01

    World Health Organization (WHO). The global burden of disease: 2004. Update published in 2008.