Research shows that breathing exercises can help people with COPD by decreasing breathlessness, improving quality of life, and decreasing fatigue.
The two main types of breathing techniques recommended for people with COPD are pursed-lip and diaphragmatic breathing. They help people with COPD get air without struggling to breathe.
Source: www.healthline.com/health/copd/impaired-gas-exchange-related-to-copd
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