Asthma - Hygiene hypothesis, Croup, Salbutamol, Exercise-induced asthma, Occupational asthma, Paracetamol, Bronchoconstriction, Emphysema, Mast cell, Hyposensitization, Omalizumab, Bronchodilator, Salmeterol, Buteyko method, Respiratory therapy, Allergy, Bronchiolitis, Exhaled nitric oxide