Breathing exercises for asthma: a randomised controlled trial
This study showed that exercises may help patients whose quality of life is impaired by asthma, but may not reduce the need for anti-inflammatory medication.
Source: M Thomas, R K McKinley, S Mellor, G Watkin, E Holloway, J Scullion, D E Shaw, A Wardlaw, D Price, I Pavord Thorax 2009; 64:55-61