The article discusses two studies on the association between diet mechanism and airway inflammation. The two studies cited are entitled "Interleukin-17-producing innate lymphoid cells and the NLRP3 inflammasome facilitate obesity-associated airway hyperreactivity" by H. Y. Kim and colleagues and "Gut microbiota metabolism of dietary fiber influences allergic airway disease and hematopoiesis" by A. Trompette and colleagues.