Discover 10 causes of nasal breathing difficulties from deviated septum to spray addiction, plus effective solutions for clearer breathing day and night.

The human nose produces 1 to 2 litres of mucus ... Forceful blowing creates high pressure in the nasal passages, which can ...

"This leaves the nasal passages swollen and inflamed and they are more likely to get a bacterial or viral infection." Flushing the nose with salt water helps by maintaining moisture so the sinuses can ...