One-third of those asked said stress levels about their financial situation are much higher now than a year ago.
VOA: special.2010.10.12
And if we lower our expectations, we lower our stress levels and we will enjoy life more.
如果能降低期望,降低压力水平,我们会更享受生活。
A published report says the genetic changes could be linked to stress levels during this method of giving birth.
VOA: special.2009.11.24
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