Your nose isn’t just a way in for air. It filters, warms and moistens it, and it naturally slows your breathing down.
The slides below cover what your nose does, when mouth breathing is fine, and one easy habit to try.
The science
Nose or mouth? What the research says
Key takeaways
1
Your nose filters, warms and moistens air
2
Nose breathing tends to be slower
3
Mouth breathing is fine during hard exercise
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