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Placebo
A harmless substance with no therapeutic effect, used as a control in testing the efficacy of drugs.
Release of Endorphins
The process by which the body secretes endorphins, natural chemicals in the brain that block pain and create a feeling of well-being.
Brain's Release
This phrase could refer to the release of neurotransmitters or hormones by the brain, vital for communication within the brain and body.
Phantom Limb Sensations
refer to the perception of sensations, often pain, in a limb that has been amputated, indicating brain and nerve involvement.
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