(Harvard Medical School)
In the second phase of the study, patients receiving sham acupuncture reported a more significant decrease in pain and symptom severity than those receiving placebo pills for the duration of the trials. The results of this study show that the placebo effect varies by type of placebo used.
“These findings suggest that the medical ritual of a device can deliver an enhanced placebo effect beyond that of a placebo pill. There are many conditions in which ritual is irrelevant when compared with drugs, such as in treatment of a bacterial infection,” said Kaptchuk, “but the other extreme may also be true. In some cases, the ritual may be the critical component.”
In other news, people using shampoo reported significant decrease in hair odor than ones using the real thing. *groan*
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