Lung Scarring Diseases Linked to Genes and Smoking

Armen Hareyan's picture
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Smoking and Lung Disease

New research shows that idiopathic interstitial pneumonia (IIP), a group of potentially fatal disorders that affects the lungs, may be caused by an interaction between a specific genetic background and cigarette smoking. In a study of 111 families that had at least two relatives with IIP, people who smoked cigarettes were three times more likely than non-smokers to develop the disease. The research was supported by the National Heart, Lung, and Blood Institute (NHLBI) and the National Institute of Environmental Health Sciences (NIEHS), both institutes within the National Institutes of Health.

IIPs are often accompanied by scarring and inflammation of the lung known as pulmonary fibrosis. Pulmonary fibrosis makes the delivery of oxygen to the body

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