““Many people are afraid of the symptoms caused by overbreathing, believing that something dreadful is about to happen. These feelins are known as thoughts of 'impending doom'. Not surprisingly, when the brain believes that we are losing blood we are bound to interpret those symptoms catastrophically. Often people believe they are going to have a heart attack, or that they are going mad, or that something terrible is about to happen. In reality, all these symptoms (and the subsequent catastrophic interpretations) are simply cause by overbreathing and the ensuring acidity changes.””
