Web Date: October 8, 2017
People may expect more side effects from pricier drugs
The placebo effect, in which a patient’s expectations lead them to experience the benefits of a treatment despite not actually receiving an active drug, has an evil twin: the nocebo effect. Scientists don’t know as much about this less pleasant effect, in which patients’ negative expectations cause them to experience adverse side effects, mostly because of the ethical challenges of designing experiments that induce bad outcomes on purpose.
Yet both effects have the power to disrupt . . .
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