Goodwall Health's post on Goodwall - A placebo (pluh-SEE-bow) is a substance or other kind of treatment that looks just like a regular treatment or medicine, but is not. It’s actually an inactive “look-alike” treatment or substance. This means it’s not a medicine. For more information, visit: http://www.cancer.org/Treatment/TreatmentsandSideEffects/TreatmentTypes/placebo-effect #health