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New York, NY
A 35-year-old female asked:

Is inhaling & exhaling entirely through the nose a healthier way to breathe (ie strengthen the lungs) instead of thru the mouth?

1 doctor answer2 doctors weighed in
Dr. John Chiu
Allergy and Immunology 58 years experience
Nose is preferred: Air going through the nose gets moisturized, warmed up, and filtered and thus it is a preferred way to breathe except during strenuous exertion when you will need to breathe through your mouth. Neither method strengthens your lungs.
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Last updated Dec 31, 2013


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