已经有很多临床试验研究了骨的抗再吸收治疗在预防骨密度丢失和骨折中的作用。

Numerous clinical trials have studied the role of bone antiresorptive therapy for prevention of bone density loss and fractures.

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选择性血清再吸收抑制剂曾用来治疗抑郁症，但是它的情绪推动作用通常六周左右就不再显现。

Although SSRIs are used to treat depression, their mood-boosting effects do not normally show up for around six weeks.

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