A study has raised new questions about the effectiveness of several popular drugs for depression.These antidepressants are known as selective serotonin reuptake inhibitors.

• 一项研究提出了关于许多流行的抑郁症药品效力的新问题。这些抗抑郁药被认为是选择性五羟色胺再摄取抑制剂。