lungs to move mucus from the smaller airways into the larger ones, where it can be cleared more easily with a gentle cough.
Instructions
- Sit upright and lean slightly forward.
- Take a slow, deep breath in through your nose.
- Hold your breath for 1 to 2 seconds.
- Exhale quickly and forcefully with an open mouth, making a sound like you are fogging up a mirror. The exhale should be a “huff,” not a harsh cough.
- Rest and repeat two to three times. You may need to follow a huff with
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