leeney1649 leeney1649
  • 23-06-2017
  • Social Studies
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In a clinical trial for a new pain medication, hayden was given an inactive substance instead of an actual drug. after taking it, however, his headache improved. this resulted from the

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iamspaghetti
iamspaghetti iamspaghetti
  • 23-06-2017
this resulted from the placebo effect.
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