IL6 and asthma: Interestingly, in the context of chronic inflammatory allergic airway diseases, a meta-analysis collecting data from 11 studies conducted from 2017 to 2021, involving 1977 patients with asthma and 1591 healthy individuals, reported that the IL-6 levels found in the serum from asthmatic patients were higher than in non-asthmatic individuals, especially in pediatric patients and in patients with exacerbation [11].