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Review
, 15 (2), e2001998
eCollection

Putting Placebos to the Test

Affiliations
Review

Putting Placebos to the Test

Liza Gross. PLoS Biol.

Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. Expectations color one’s response to medical treatment.
Henry Beecher, who treated soldiers like those in this surgery tent in Italy, was surprised to see a disconnect between the extent of a soldier’s wounds and his perception of pain. Beecher attributed their tolerance of pain to a psychological effect that counteracted sensations of pain. Image credit: US National Library of Medicine.

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