Well i dont know about too much, but you can breath too fast or too shallowly. I have a tendency to be a shallow breather and before treatment i would exhibit symptoms of hyperventilation, ie, tingly hands, heart palpitations and vertigo. It felt like being on a ship and feeling sea sick. I was prescribed an anti anxiety med for it and now i have no trouble.
I guess breathing too fast will make you feel the same, especially dizzy.