Smoking can cause emphysema, a disease of the lungs that causes shortness of breath.

Emphysema comes from the Greek emphusan meaning "puff up." Emphasyma is a long-term disease that destroys the shape and function of the lungs. Some symptoms include a shortness of breath and an expanded or puffed up chest. Most people who have emphysema were smokers at some point in their lives, but it can also be caused by chronic bronchitis.

Definitions of emphysema
  1. noun
    an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age
    synonyms: pulmonary emphysema
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    chronic obstructive pulmonary disease
    a nonreversible lung disease that is a combination of emphysema and chronic bronchitis; usually patients have been heavy cigarette smokers
    type of:
    respiratory disease, respiratory disorder, respiratory illness
    a disease affecting the respiratory system
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