Is chronic obstructive pulmonary disease (COPD) hereditary?

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  • Chronic obstructive pulmonary disease is the chronic blockage of airways in the lungs, causing difficulty breathing and shortness of breath. Smoking is the leading cause of COPD. While extremely rare, a genetic disorder known as Alpha-1 Antitrypsin Deficiency can also cause COPD. Most people have two normal copies of the gene. If you inherit one mutated gene, you are a carrier and can generally prevent COPD by maintaining a healthy lifestyle. However, if two Alpha-1 deficient genes are inherited, you will like develop COPD, despite any lifestyle precautions.

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What increases my risk for chronic obstructive pulmonary disease (COPD)?