If a boy is thinner or heavier than he would like to be, the stress and anxiety of participating in physical education may be prohibitive.
如果一个男孩比他想要的更瘦或更重，参加体育课的压力和焦虑可能会让他望而却步。
AIM: To observe the effect of chronic variable stress on the blood pressure and behavior of rats, and investigate the participating role of cortisol.
目的：观察慢性可变应激对大鼠血压和行为学的影响，以及皮质醇的参与作用。
AIM: To observe the effect of chronic variable stress on the blood pressure and behavior of rats, and investigate the participating role of cortisol.
目的：观察慢性可变应激对大鼠血压和行为学的影响，以及皮质醇的参与作用。
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