cHapTer : Tobacco the silent killer
lesson : 02
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Emphysema is a disease in which alveoli of lungs are damaged and person has difficulty in breathing.
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Emphysema is a kind of chronic obstructive pulmonary disease in which alveoli also known as air sacs of lungs are affected. Alveoli get inflated and breathing becomes difficult .
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Emphysema is one of the most preventable respiratory illnesses because it is so strongly linked to smoking. Air pollutants, an alpha-1 antitrypsin deficiency, and respiratory infections can also play a role, but smoking is considered the number one cause.
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