Stress
Your body’s defense system- the release of adrenaline and cortisol- is built for an immediate response to a serious but passing danger, such as a saber-toothed tiger. Chronic stress, such as hostility at home, dangerously deregulates a system built only to deal with short – term responses.
Under chronic stress, adrenaline creates scars in your blood vessels that can cause a heart attack or stroke, and cortisol damages the cells of the hippocampus, crippling your ability to learn and remember.
Individually, the worst kind of stress is the feeling that you have no control over the problem – you are helpless.
Emotional stress has huge impacts across society, on children’s ability to learn in school and on employees’ productivity at work.
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壓力
我們身體的防禦機制， 當遇上嚴重但短暫的危機，例如一隻劍齒虎的出現時，會即時釋出腎上腺素和皮質醇。至於長期壓力，例如與家人不和時，這個機制便會受到干擾甚至破壞，因爲它只能針對短期危機作出適當反應。
在長期受壓下，腎上腺素會在我們的血管造成疤痕，容易引致心臟病發或中風。皮質醇則會破壞我們大腦海馬體的細胞，削弱我們的學習和記憶能力。
個人來說，最大的壓力莫過於當你感到問題完全失控，非常無助時。
情緒壓力對整體社會有巨大的影響，它影響兒童的學習能力，及員工的工作效率。