A placebo is a fake substance, procedure, or treatment that has no known direct effects.

Question

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A placebo is intended to have no direct physiological effect and is commonly used in clinical trials as a control group to compare the effects of a new treatment to a placebo. Placebos are also used in certain medical contexts, such as pain management or psychotherapy, to harness the power of suggestion and belief in the healing process.

A Placebo Is a Fake Substance, Procedure, or Treatment That