Nitric oxide is asign of asthma and other lung diseases, such as chronic obstructive pulmonarydisease, cystic fibrosis and bronchiectasis (the abnormal widening of airways).

氧化一氮是哮喘和其他肺疾病的表现，诸如慢性肺病、囊肿性纤维化和支气管扩张（气管的反常的变宽）。