Unwrapping a stick of gum can even turn out to be a substitute ritual for lighting up a cigarette as a conditioned response to stress.

点燃香烟是你在压力下的条件反射，打开一块口香糖甚至就可以替代你的习惯性动作了。

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Unwrapping a stick of gum can even turn out to be a substitute ritual for lighting up a cigarette as a conditioned response to stress. More.

点燃香烟是你在压力下的条件反射，打开一块口香糖甚至就可以替代你的习惯性动作了。

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We have been conditioned by experience to expect a panic when we hear of stress in the banking system, and in that context Europe may just be a distraction to the real threat facing the market.

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