We have known for a while that different doctors can produce different effects using the same substance, or even placebo, such that otherwise effective treatments might become ineffective or placebo becomes effective. Chang and colleagues now clarify that such differential effects are likely transmitted by subtle facial cues, using a placebo–pain model.

中文翻译：

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细微的提示会传递安慰剂作用。

一段时间以来，我们已经知道，不同的医生可以使用相同的物质甚至使用安慰剂产生不同的效果，因此，否则有效的治疗可能会失效或安慰剂变得有效。现在，Chang和同事澄清说，使用安慰剂-疼痛模型，这种微妙的效果可能是通过微妙的面部提示传播的。