The swelling of mucosal tissues in the nose is what causes congestion. A stuffy nose can occur at night due to dust mites that thrive in pillows and mattresses. Airborne allergens like pollen also ...

Also, the salt's ability to draw out moisture from swollen, inflamed tissues can cause the mucosa (lining of the nasal passages and sinuses) to shrink down, allowing for easier breathing. Salt also ...

“An improved vaccine would ideally generate a resident memory population in the nasal mucosa or at the site of entry itself,” von Andrian explained. Despite these benefits, questions about their ...