| − | '''Emphysema''' is a type of chronic obstructive pulmonary disease (COPD) involving damage to the air sacs ([[alveoli]]) in the lungs. As a result, the body does not get the oxygen it needs. Emphysema makes it hard for the victim to catch their breath. They may also have a chronic cough and have trouble breathing during exercise. | + | '''Emphysema''' is "a type of chronic obstructive pulmonary disease (COPD) involving damage to the air sacs ([[alveoli]]) in the [[lung]]s. As a result, the [body] does not get the [[oxygen]] it needs. Emphysema makes it hard for [the victim] to catch [their] breath. [They] may also have a chronic cough and have trouble breathing during exercise."<ref>http://www.nlm.nih.gov/medlineplus/emphysema.html</ref> |
| − | The most common cause is cigarette smoking. Quitting can help prevent getting-or alleviate-the disease.<ref>http://www.nlm.nih.gov/medlineplus/emphysema.html</ref> | + | If untreated, emphysema sufferers often have so much trouble breathing that they must be put on a [[ventilator]]. The disease is often fatal, but the death is very slow and painful. |