James Nestor on Correct Breathing: Science, Health, and Performance

The Problem with Modern Breathing

• 💡 Most people breathe dysfunctionally, leading to issues like asthma, snoring, sleep apnea, and nasal congestion.
• ⚠️ A primary cause of dysfunctional breathing is the shift towards industrialized, soft foods, which has led to smaller mouths and underdeveloped oral structures.
• 🦷 This reduced oral space impacts facial development, leading to crooked teeth and making nasal breathing more difficult, especially in children.

The Fundamentals of Proper Breathing

• 👃 The most crucial guideline is to breathe through your nose almost exclusively, both day and night, a practice common in the animal kingdom.
• ⏱️ Proper breathing also involves breathing slowly, rhythmically, and deeply, with a full exhale.
• 👅 Maintaining correct tongue placement against the palate helps facilitate nasal breathing and supports proper oral development.

Breathing and Athletic Performance

• ⚡ Mouth breathing during exercise, especially intense activity, is less efficient because it doesn't fully utilize the inhaled air for gas exchange and can lead to over-offloading carbon dioxide.
• 🏃‍♂️ Nose breathing slows the breath, allowing for better oxygen absorption and improved CO2 tolerance, which is a key trend in athletic conditioning.
• 💨 The vibration of air passing through the nasal cavities releases nitric oxide, a powerful vasodilator that kills bacteria and viruses and aids oxygen uptake.

Breathing's Impact on Mental and Physical Health

• 🧠 Sleep-disordered breathing (like apnea and snoring) is identified as a potential primary driver of ADHD in children, as it disrupts crucial nighttime restoration and brain development.
• 📈 Poor breathing, particularly at night, can also affect human growth hormone release and overall physical development.
• 🧘 Techniques like multiple inhales with pauses can help calm the nervous system and reduce anxiety, while more vigorous methods like Wim Hof or holotropic breathing may assist with chronic pain management.

Practical Breathing Techniques

• 🗣️ Correct breathing is imperceptible, soft, fine, and natural, involving nasal inhalation that expands the abdomen without shoulder or neck movement.
• 💋 Mouth taping can be a tool to encourage nasal breathing, but requires gradual acclimation, starting with short periods during waking hours before attempting sleep.
• 🎶 Humming can significantly increase nitric oxide production, offering further benefits for respiratory and cardiovascular health.