Interestingly, they evaluate inflammatory markers (exhaled nitric oxide, eosinophil LTC4 synthesis, eosinophil count, IL-6, serum CRP, and urinary leukotriene E4/creatinine), pulmonary function (FEV1, FVC, peak flow, morning peak flow rate (PEFR)), symptomology, and asthma quality of life and control questionnaires (Asthma Control Test score, Asthma Symptoms Utility Index score, Marks Asthma Quality of LifeQuestionnaire score, Children’s Health Survey for Asthma score, and Juniper Asthma Control Questionnaire). Here, IL6 is linked to asthma.