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Ember P.

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Placebos in research

Placebos are often used in clinical drug trials to determine how well a potential medicine will work.

  • There are two different groups of subjects in a placebo-controlled trial - one receives the experimental drug and the other the placebo. Neither researchers nor subjects know which group is receiving the real drug or the placebo.
  • Some researchers are questioning the placebo-controlled trial. Not everyone thinks a drug is ineffective if the placebo performs better.
  • Other critics of the placebo-controlled trial state it's wrong to attribute all positive outcomes to the placebo because many illnesses can resolve without any treatment.
  • When a patient takes a placebo and experiences adverse side effects, it's called a nocebo effect. Patients taking active drugs have also been known to have side effects that can't be directly attributed to the drug.

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IDEA EXTRACTED FROM:

How the Placebo Effect Works | HowStuffWorks

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