Question

What is called placebo effect?

Answer 1

Placebo effect: Also called theplacebo response. A remarkable phenomenon in which a placebo -- a fake treatment, an inactive substance like sugar, distilled water, or saline solution -- can sometimes improve a patient's condition simply because the person has the expectation that it will be helpful.

Answer 2

Placebo effects are the subject of scientific research aiming to understand underlying neurobiological mechanisms of action in pain relief, immunosuppression , Parkinson's, disease  and depression
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