The Focus on Neuroscience box "The Mysterious Placebo Effect" describes a positron emission tomographic scan study of the placebo effect. One possible implication of the study's results is that placebos:

Question

Quizplus · Accepted Answer

The study revealed that placebos work by activating the brain's natural opioid network, which can reduce pain. Option A is incorrect because the study showed that placebos can be effective pain relievers, at least in the short term. Option B is incorrect because the study did not investigate the effect of placebos on telomerase activity. Option D is incorrect because the study showed that placebos reduce pain, not increase it.

The Focus on Neuroscience Box "The Mysterious Placebo Effect" Describes