Nasal breathing produces nitric oxide, which improves blood flow and reduces lung irritation. Mouth breathing skips this benefit entirely. Anne Truong MD explains why your nose does the job better.
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Do you know that if you breathe through your nose, that is more beneficial than breathing through your mouth? When you breathe into your nose, the hair in the nose actually clear the bacteria. It actually will help you produce more nitrous oxide. So if you listen to the previous episode that I did, I talk about how nitric oxide is critical for the blood vessel to open up so you can get more blood flow. And blood flow restriction is what causes ed. So when you breathe through your nose, you have more nitrous oxide and then the air it moves through the lungs and less irritating to the lungs versus if you breathe in through the mouth, the air is not filtered. You breathe in bacteria and the air seem to irritate the lungs more. When you breathe in through the mouth.