The Power of Placebos
"Since the 1800s, the word placebo has been used to refer to a fake treatment, meaning one that does not contain any active, physical substance. Today, placebos play a crucial role in medical studies in which some participants are given the treatment containing the active ingredients of the medicine, and others are given a placebo. These types of studies help tell researchers which medicines are effective, and how effective they are. Surprisingly, however, in some areas of medicine, placebos themselves provide patients with clinical improvement."
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