People who internalize stress can end up with a variety of medical, psychological and behavioral problems.

将压力藏在心里的人会导致各种身体、心理及行为上的问题。

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At present, there exist some psychological problems among college students such as vague self-images, emotional barriers and behavioral disorders.

当前我国大学生心理问题突出，普遍存在自我意象模糊、情感障碍和行为障碍等心理困惑。

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Compared with other stages in life, people have more psychological and behavioral problems when they study in the junior middle school, because the period is eventful time.

初中时期是人生的多事之秋，与人生的其他阶段相比心理和行为问题明显增多。

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According to the National Institute of Child Health and Human Development, infants born at 37 to 38 weeks face problems with brain development and function, including psychological, behavioral and emotional problems.

WSJ: Push to Reduce Rates of Early Term Induced Deliveries