Evidence Summary
Physical activity has been shown to improve cardiovascular fitness and strength levels. This has been shown to reduce how breathless people feel when exercising or being active.
References
Wanrooij, V. H., M. Willeboordse, E. Dompeling and K. D. van de Kant (2014). “Exercise training in children with asthma: a systematic review.” Br J Sports Med 48(13): 1024-1031.