A placebo effect is a response to substance, device, or procedure that can be accounted for pharmacologically or by direct physical action.

Question

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The placebo effect is a psychological response where individuals experience real changes in their condition after receiving a treatment that has no therapeutic effect, such as a sugar pill, due to their belief in the treatment's efficacy, not because of a direct physical or pharmacological action.

A Placebo Effect Is a Response to Substance, Device, or Procedure