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1 .This is Scientific American 60-Second Science. I'm Cynthia Graber. This'll just take a minute.
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2 .The messages doctors give can influence some treatments' effectiveness.
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3 .For example, it seems that information from a doctor affects outcomes for migraine sufferers, whether they got a real drug or a placebo.
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4 .Researchers studied 66 people with recurring migraines over the course of seven attacks.
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5 .During the first headache, the patients received no treatment.
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6 .For the next six, they were given either a placebo or a drug.
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7 .Each time, regardless of which they got, some were told it was the drug, some were told it was the placebo,
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8 .and the rest were informed that it could be either the drug or the placebo.
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9 .Overall, the drug did work better than the placebo.
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10 .But the placebo worked, too, both when the patients were told it was a placebo, and even better when the doctors told them that they were getting the drug.
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11 .That is, when the docs set their expectations high.
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12 .Meanwhile, the actual drug was least effective when the patients thought it was a placebo.
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13 .The study is in the journal Science Translational Medicine.
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14 .The physician's input thus plays a role in how migraine patients fare.
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15 .Tell them they're getting a good treatment, and they're apparently more likely to respond.
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16 .Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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