Can frequent mouth breathing cause health issues, and how can it be addressed?

Question

Hello doctor,

I am a 30-year-old woman who has started worrying about my frequent habit of breathing through my mouth instead of my nose. I have learned chronic mouth breathing can negatively impact oral health, so I seek insights and guidance. What potential health issues may arise from consistent mouth breathing? Are there conditions that can worsen this habit? How does nasal breathing benefit overall health compared to mouth breathing? Additionally, are there exercises to promote nasal breathing and minimize the tendency to breathe through the mouth? Please help.

Thank you.

Answer 1

Hi,

Welcome to icliniq.com.

I read your query and can understand your concern.

Breathing through the nose is beneficial as it filters, humidifies, and warms the air, optimizing lung function and oxygen absorption. Nasal breathing also stimulates nitric oxide production, providing cardiovascular and immune advantages. Chronic mouth breathing can lead to oral health issues like dry mouth, bad breath, and an increased risk of cavities. It may also contribute to facial and dental development problems, such as a higher palate or crooked teeth. Conditions like nasal congestion, allergies, or a deviated septum can worsen mouth breathing. To promote nasal breathing, try mindful breathing exercises and maintain good posture. I suggest some exercises:

Diaphragmatic breathing: Inhale slowly through your nose, allowing your abdomen to expand and exhale fully, focusing on diaphragmatic breathing.
Nasal breathing exercise: Close your mouth consciously, breathing only through your nose. Use your tongue to gently seal the back of your mouth to train your body for nasal breathing.
Lip seal exercise: Gently close your lips at rest without clenching your teeth to encourage nasal breathing and maintain proper tongue posture.
Tongue posture: Keep your tongue on the roof of your mouth against the upper palate to improve nasal breathing and support oral and facial development.
Humming exercise: Hum inhaling and exhaling through your nose to engage the diaphragm and promote nasal breathing.

I hope this helps.

Please revert in case of further queries.

Thank you.