A section of medieval helms which extended down over the nose
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But in some cases, your signs and symptoms may be due to nasal polyps — soft, noncancerous (benign) growths that develop on the lining of your nose or sinuses.
Nasal polyps result from chronic inflammation in the lining of your nose or sinuses, but just what triggers the inflammation isn't always clear.
Although nasal polyps can affect anyone, they're more common in people older than 40 and in adults and children with conditions such as asthma, chronic sinus infections, hay fever and cystic fibrosis.