

Breathe Wrong, Perform Poorly: The Shocking Truth About Oxygen
May 27, 2025
Discover the surprising impact of breathing on brain performance. Learn how proper techniques can enhance memory, concentration, and even reduce anxiety. Explore the benefits of nose versus mouth breathing and its effects on heart health. Uncover methods to optimize oxygen delivery and boost physical performance. Patrick McKeown shares stress reduction exercises and strategies for better sleep that can transform overall well-being. Perfect for athletes and anyone looking to improve their mental and physical health.
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Personal Breathing Breakthrough
- Patrick McKeown discovered breathing techniques after years of cold hands, poor sleep, and habitual mouth breathing as a child.
- His personal experience motivated a 25-year journey into breathwork and clinical practice.
Breath Controls Oxygen Delivery Downstream
- Breathing mode affects more than airflow: it influences alveolar ventilation, gas exchange, and oxygen delivery to organs.
- Patrick links breathing patterns directly to brain and heart oxygenation, not just lung mechanics.
Brain's High Oxygen Demand
- The brain uses ~20% of body oxygen despite being 2% of weight, making it highly sensitive to blood flow.
- Small reductions in cerebral blood flow can impair memory, concentration, and increase anxiety or depression.