<unk> -1<unk>  (AAT)<unk>  is a condition in which the body does not make enough of a protein that protects the lungs and liver from damage. The condition can lead to emphysema and liver disease.
Alpha 1-antitrypsin deficiency
Asthma
Reactive airways dysfunction syndrome
Bronchomalacia
Upper airway resistance syndrome
Chemical pneumonitis
Exercise induced asthma
Chronic bronchitis