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After reading 2159 websites, we found 5 different results for "How often does the placebo effect work"
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About 30 percent of the effectiveness of any medical treatment
About 30 percent of the effectiveness of any medical treatment, whether orthodox western medicine or some alternative healing tradition, is the result of the so-called Placebo Effect.
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around 10-15% of the time
When studied, the placebo effect works around 10-15% of the time.
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up to 72% of the time
Meanwhile, an article published in Psychology Today claimed that placebo works up to 72% of the time.
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about 18-80% of the time
The placebo effect is real, The placebo effect works about 18-80% of the time, and The placebo effect's not just in your head
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