door to a more closed position, making it harder for oxygen to pass through. Breathing too much for short periods of time is not a significant problem, as no permanent change in the body occurs. However, when we breathe too much over an extended period of days to weeks, a biochemical change takes place inside us that results in an increased sensitivity or lower tolerance to carbon dioxide. With this lower set point, breathing volume remains above normal as the receptors in the brain continuously stimulate breathing in order to get rid of carbon dioxide that is perceived to be in excess of the
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