A. Our bodies are built to respond when under attack. When we sense danger, our brain goes on alert, our heart rate goes up, and our organs flood with stress hormones like cortisol and adrenaline. We breathe faster, taking in more oxygen, muscles tense, our senses are sharpened and beads of sweat appear. This combination of reactions to stress is also known as the “fight-or-flight” response because it evolved as a survival mechanism, enabling people and other mammals to react quickly to life-threatening situations. The carefully orchestrated yet near-instantaneous sequence of hormonal changes and physiological responses helps someone to fight the threat off or flee to safety. Unfortunately, the body can also overreact to stressors that are not life-threatening, such as traffic jams, work pressure, and family difficulties. B. That’s all fine when we need to jump out of the way of a speeding bus, or when someone is following us down a dark alley. In those cases, our stress is considere...
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