> The evolutionary history of how we developed an instinct to hyperventilate Presumably it's a fight or flight response. It's redundant and counterproductive o

> The evolutionary history of how we developed an instinct to hyperventilate Presumably it's a fight or flight response. It's redundant and counterproductive of course in many modern stress situations but if you had to fight off a predator or catch that animal the extra jolt of vascular activity probably makes perfect sense.