wavelength waveÂ·length (wÄv'lÄngkth', -lÄngth') n. Symbol Î» The distance between one peak or crest of a wave of light, heat, or other energy and the next corresponding peak or crest.
Causes: Emphysema: The number one cause of emphysema is smoking. Other contributing factors in its development or exacerbation (increase in severity) include long-term exposure to other lung irritants, such as air pollution, chemical fumes, or dust.
Why COPD Emphysema Symptoms arise? COPD patients show the symptoms of disease due to inflamed and infected alveoli inside lungs. The pulmonary system gets damaged due to regular smoking and addition of toxins on the lung area. The condition of COPD might get chronic with time as the disease is incurable.