而这个反馈系统在那些缺少母性关怀的老鼠中被弱化了，使他们更焦虑和恐惧，并且对压力的反应更强烈。
This feedback system is weaker in rats that have had little maternal care. As a result, they are more anxious and fearful, and show a heightened response to stress.
我们在弱化，而不是加强人体免疫系统，干扰？
Are we interfering in a way that has created a weakening, rather than a strengthening, of the human immune system?
他相信，他证明了对事物缺乏控制力造成了免疫系统的弱化，而不是由实验本身造成的。
What he has demonstrated, he believes, is that lack of control over an event, not the experience itself, is what weakens the immune system. CET-6, 1999.6!
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