Placebo and Placebo Effect
A placebo is any inert substance, procedure, apparatus, or similar, that alone has no effect in the body. The placebo effect is the psychological and/or physiological response to the placebo when it is administrated with a suggestion that the substance, procedure, apparatus, or similar will have an effect in the individual.
Placebo comes from the Latin word “placere” which means “I shall please” and has been used in medicine to describe treatments that pleases the patient, but that has no specific effect on the symptom.
A placebo effect may occur when a substance, procedure, or other stimulus is administrated to a person, together with a suggestion that this will reduce or heal a symptom. The placebo effect may occur whether the substance or procedure is effective in reducing the symptom or not, as effective treatments may also induce placebo effects. Both the substance or procedure and the...