List the causes and sign/symptoms of asthma.

Asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways, which leads to breathing difficulties. The exact cause of asthma is not fully understood, but several factors are believed to contribute to its development.

Causes of Asthma:
1. Genetics: A family history of asthma or other allergic conditions increases _________ _________ _______ ________ ______ _________ ___ _________ _________ ____ ____.
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