Are nasal polyps dangerous? VnExpress I have prolonged nasal congestion and a reduced sense of smell. My doctor diagnosed nasal polyps. Is this condition dangerous, and do I need surgery? (Nam Tran, 30, Can Tho)
Five tips for using a humidifier to relieve nasal congestion VnExpress Choose a humidifier of appropriate size, change the water after each use, and clean it every three days to prevent bacterial growth.
