A stuffy or congested nose occurs when the tissues lining it become swollen. The swelling is due to inflamed blood vessels.
There are many problems that can affect the nose including a deviated septum, nasal polyps, nosebleeds, rhinitis, and nasal fractures. Learn.
This study expands our knowledge of the nasal cavity microbiota and the . adult subjects had at least 269 sequences from each sampling site.