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

• 一项研究对于几种常用的抗抑郁药物的药效提出了新的疑问。这些抗抑郁的药物被称为选择性血清素再摄取抑制剂。