How to Maintain Healthy Breath: 10 Essential Tips for Fresh Breath and Oral Health

6. Breathe Through Your Nose

• Mouth breathing severely dries out the mouth and promotes bacterial growth
• If you habitually breathe through your mouth — especially at night — address the underlying cause: 

1. Blocked nose from allergies or deviated septum
2. Enlarged tonsils or adenoids
3. Sleep apnea

• Use a saline nasal spray to keep nasal passages clear
• Consider nasal strips at night if mouth breathing is an issue during sleep