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Breathe lighter to unlock more oxygen—Buteyko-based drills boost stamina, focus, and health without gym or gadgets.

Patrick McKeown, asthma survivor turned breathing coach, reveals the "Oxygen Paradox": over-breathing drops CO2, starving tissues despite gulping air (Bohr Effect), causing fatigue, anxiety, poor sleep—modern mouths, stress, and slouching make us chronic hyperventilators. Unlike Nestor's broad science-history tour (Breath), this delivers sport-specific protocols: breath-hold walks simulating altitude, nasal-only training raising BOLT score (Body Oxygen Level Test), mouth-taping for sleep, plus drills slashing lactic acid and free radicals for elite endurance. Science-packed with athlete case studies and self-tests, it's the practical athlete's manual turning dysfunctional breaths into performance superpowers.​

What you can get from reading it

• Measure your BOLT score and dysfunctional breathing, pinpointing over-breathing's drag on energy others overlook.
• Train breath holds during walks/exercise to build CO2 tolerance, spiking VO2 max and delaying fatigue absent in general breath books.
• Tape mouth for nose-only sleep, slashing apnea/snoring while boosting recovery no lifestyle tweak matches.
• Simulate high-altitude gains at sea level via reduced-breathing sets, growing red blood cells for athletes craving edge.
• Fix anxiety/asthma via light breathing resetting nervous system, with protocols Nestor surveys but doesn't drill down.​

About the author

Patrick McKeown overcame lifelong asthma through Buteyko Method at 26, training directly with Dr. Konstantin Buteyko in Moscow before founding Buteyko Clinic International and Oxygen Advantage in 2015. Author of six breathing books, he coaches Olympic athletes, appears on TEDx/podcasts, and certifies instructors worldwide, focusing on sports performance and health via CO2 optimization. His clinical, evidence-based approach stems from personal healing and 20+ years refining breath protocols for real results.​​

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McKeown introduces oxygen optimization through the Buteyko breathing method. By training yourself to breathe less and more efficiently, you can improve endurance, sleep, and overall health. The book offers practical exercises and scientific backing.