Wikis > Pharmacology > Placebos

Placebo effects are weak: regression to the mean is the main reason ineffective treatments appear to work


A placebo is a vehicle for achieving a treatment effect by suggestion. It is an inactive substance (or therapy) that is given to a patient, knowing it will not have any direct therapeutic benefit.

Placebos are used in two situations:
1. A control intervention in controlled studies of drugs
2. For psychological benefit of the patient

Placebo Myths Debunked

Are Placebos Getting Stronger?

Related Topics:
Sham or placebo foot orthotics for use in clinical trials

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