> That is not the definition of a placebo. But, puzzlingly enough, it's the definition of open-label placebo, in which the patient is told they've been given a

> That is not the definition of a placebo. But, puzzlingly enough, it's the definition of open-label placebo, in which the patient is told they've been given a placebo. And some studies show there is a non-insignificant effect as well, albeit smaller (and less conclusive) than with blind placebo.