You might be overbreathing: https://www.ncbi.nlm.nih.gov/pubmed/16402650 https://www.ncbi.nlm.nih.gov/pubmed/16402650 Your nose will not be clogged if your co

You might be overbreathing: https://www.ncbi.nlm.nih.gov/pubmed/16402650 https://www.ncbi.nlm.nih.gov/pubmed/16402650 Your nose will not be clogged if your co2 levels rise. Beynd a certain level. If these levels drop, yout body will try to prevent this by closing the inlet/outlet system so to speak. Google the Buteyko method for more information. This trick may help you: https://www.normalbreathing.com/art-stuffy-nose-clear.php https://www.normalbreathing.com/art-stuffy-nose-clear.php More: https://www.normalbreathing.com/c/sinusitis.php https://www.normalbreathing.com/c/sinusitis.php https://www.normalbreathing.com/c/nasal-congestion.php https://www.normalbreathing.com/c/nasal-congestion.php