reporter: diane knows all about the placebo effect . still, she was surprised how much it helped her in this latest study.

在一项旨在更好地理解“安慰剂效应”的试验中，研究人员发现，即便患者完全知道自己服用的是安慰剂，安慰剂仍能让患者感到病情改善

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This study now demonstrates such an effect for a selective COX-2 inhibitor in a placebo-controlled randomized study.

现在的这项研究证实了在安慰剂作为对照的随机实验中，一种选择性COX - 2抑制剂也有这种效应。

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German surgeon Michael Haake, who led the BMJ study, argues that the apparent benefits of the heel procedure are nothing more than a placebo effect.

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