Natural is better: The best way is breath naturally without any conscious or purposeful interference. Your body regulates your breathing automatically according to need. Deep breathing uses more of your lung tissue and prevents parts of your lung from collapsing due to poor expansion.
Answered 8/28/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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