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placebo
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    Also found in: Medical, Encyclopedia, Wikipedia 0.02 sec.

placebo

Any harmless substance, often called a ‘sugar pill’, that has no active ingredient, but may nevertheless bring about improvement in the patient's condition.

The use of placebos in medicine is limited to drug trials, where a placebo is given alongside the substance being tested,to compare effects. The ‘placebo effect’, first named in 1945, demonstrates the control mind exerts over matter, bringing changes in blood pressure, perceived pain, and rates of healing. Recent research points to the release of certain neurotransmitters and endorphins in the production of the placebo effect.



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? Mentioned in ? References in periodicals archive
 
She said many questions remained to be answered, including whether Premarin's promise would hold up in the trial against a dummy drug, whether its benefits would outweigh its risks and whether progesterone in the combined pill might negate estrogen's effects on the brain.
MIND : MENTAL HEALTH STUDYING A TIE BETWEEN ESTROGEN, ALZHEIMER'S by Daily News (Los Angeles, CA)
In a preliminary clinical study in Israel, linomide, a chemical that stimulates production of key immune-system cells, performed better than a dummy drug in slowing the decline in function caused by secondary-progressive MS.
Regaining vision lost to optic neuritis? by Inside MS
But 242 of the 819 people taking the dummy drug came down with a total of 297 cases of this more common malarial infection.
Vaccine shows promise against malaria by Science News
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