Imamura and colleagues1 found that pravastatin attenuated allergic airway inflammation through suppression of interleukin 17 in the lungs of ovalbumin-sensitised mice. However, in the accompanying editorial,2 Rubin pointed out that, in clinical practice, it is unlikely that adding a statin to an appropriate dose of inhaled corticosteroids might provide any additional benefit for patients with asthma, highlighting that in this …