She suffered from severe depression after losing her job.

她失业后患了严重的抑郁症。

What circumstances trigger episodes of more severe depression?

什么情况会触发抑郁症加重？

Of these, 12per cent were suffering moderate to severe depression.

在这些人中，有12%的人正经历中度至重度的忧郁症。

However, for severe depression or for certain people, psychotherapy may not be enough.

但是对于重度抑郁或对于特定人群，心理疗法还不充分。

But the majority, even those with the most severe depression, can get better with treatment.

但是绝大多数人，甚至是最严重的抑郁症患者可以在治疗的帮助下转好。