@oxygenadvantage: CO2 isn't the enemy. It's the signal. Nasal breathing = 70% of proper breathing. The rest follows naturally. Full conversation on the Oxygen Advantage Podcast. 🎙️ #NasalBreathing #CO2Physiology #BreathingScience #SleepQuality #OxygenAdvantage #FunctionalBreathing #PatrickMcKeown #JamesNestor #BreathingExercises #HealthScience