That tight-chested, can’t-catch-my-breath feeling often comes from CO₂ sensing, not low oxygen. Learn how chemoreceptors work and how to recalibrate them.
Tag: CO₂ tolerance
The Oxygen Paradox: Normal Blood Oxygen, Foggy Brain
A normal SpO₂ reading doesn’t tell you how much oxygen reaches your brain. Learn how CO₂, the Bohr effect, and breathing habits shape focus and calm.