placebo effect

How can 'nothing' make a difference?

posted on March 31, 2011 - 9:35am
A placebo is a sham, or fake, “medication” or “treatment” that, although inert, is designed to appear identical to an active actual or experimental treatment. Placebos can take the form of a “dummy” pill made of an inert substance like sugar or starch; a water or saline solution; or a wearable device like a patch, catheter or magnetic bracelet. In any clinical trial, the question scientists must...

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