Among many healthcare professionals, fitness enthusiasts, martial artists, musical instrument performers, and others understand that breathing through the nose, or nasal breathing is generally considered better than breathing solely through the mouth for several reasons:

1. Improved Air Filtration

• Moist nasal passages help to filter pollen, dust, pathogens, and other allergens through tiny hairs called cilia and mucus which protect the lungs from harmful particles.

2. Increased Oxygen Absorption

• Nasal breathing can slow down the rate of airflow, allowing more time for oxygen exchange in the lungs. This consequently leads to better oxygen delivery to tissues.

3. Better Air Humidification and Temperature Regulation

• The nasal passages warm and humidify incoming air, helping to reduce irritation to the respiratory tract and improving overall comfort, particularly in dry or cold climates.

4. Nitric Oxide Production

• Nasal breathing aids in the production of nitric oxide (NO), which improves blood circulation by dilating blood vessels, enhances oxygen absorption and boosts immune function by killing harmful bacteria and viruses.

5. Supports Proper Diaphragmatic Breathing

• Nasal breathing encourages deeper, more controlled breathing, activating the respiratory diaphragm and reducing shallow, chest-dominated breaths often associated with stress.

6. Better Sleep Quality

• Nasal breathing reduces snoring and thus reduces the risk of sleep apnea, promoting more restful and restorative sleep.

7. Improved Oral Health

• Keeping the mouth closed during breathing is thought to prevent dry mouth, reducing the risk of cavities, gum disease, and bad breath.

8. Enhancement of Athletic Performance

• Nasal breathing increases endurance and efficient energy use, by improving oxygen uptake and reducing the buildup of carbon dioxide within the bloodstream.

9. Balanced CO2 and Oxygen Levels

• Breathing through the nose helps maintain an optimal balance of carbon dioxide and oxygen in the blood, supporting cellular metabolism and calming the nervous system.

10. Supports Facial Development (in Children)

• In children, nasal breathing promotes proper tongue posture and jaw development, reducing the risk of orthodontic issues and improving facial structure.

11. Promotes Postural Alignment

• Nasal breathing supports proper tongue posture, which can improve overall posture and reduce strain on the neck and back.

12. Reduced Stress and Anxiety

• Nasal breathing activates the parasympathetic nervous system, which helps reduce heart rate and stress levels, promoting a calm and focused state of mind.

13. Boosts Cognitive Function

• Consistent oxygen distribution to the brain enhances focus, memory, and decision-making capabilities.

14. Voice Quality and Speech Clarity

• Maintaining nasal breathing increases vocal cord health and improves voice resonance and clarity.

There may be situations where breathing through the mouth is necessary or preferable, such as during intense physical exertion or when experiencing nasal congestion. However, nasal breathing is considered the more natural and physiologically advantageous way to breathe. If someone experiences chronic nasal congestion or other issues that impede nasal breathing, it’s advisable to consult with a healthcare professional.

I teach and offer lectures about holistic health, physical fitness, stress management, human behavior, meditation, phytotherapy (herbs), music for healing, self-massage (acupressure), Daoyin (yoga), qigong, tai chi, and baguazhang.

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Jim Moltzan