Once upon a time, people reserved loud outbursts for very special occasions. HELP! FIRE! CHARGE! In each case, the raised voice with its guttural message alerted anyone within earshot that an emergency required their immediate attention. Or in the case of warfare, now was the time to kill or be killed. We respond to shouting both physically and emotionally as adrenalin dumps into our system. Our hands may form fists, our jaw clenches, our heart rate accelerates. Psychological studies have shown the negative effects of shouting. In the mid-1980s, a certain ...

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