Breathing exercises do not prevent COVID-19 and should not be used in place of mask wearing, social distancing, or getting vaccinated.

Breathing exercises can, however, strengthen your lungs, which may reduce COVID-19’s impact on your respiratory system.

systematic review and meta-analysisTrusted Source of 19 randomized controlled studies found that breathing techniques, such as pursed lips breathing, reduce shortness of breath. Breathing exercises also improved lung ventilation, which is the ability of the lungs to expel carbon dioxide and stale air.