© Oxford University Press 2011 IB1.12.2 Images Images.
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Transcript of © Oxford University Press 2011 IB1.12.2 Images Images.
![Page 1: © Oxford University Press 2011 IB1.12.2 Images Images.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f045503460f94c18625/html5/thumbnails/1.jpg)
© Oxford University Press 2011
IB1.12.2 Images
Images
![Page 2: © Oxford University Press 2011 IB1.12.2 Images Images.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f045503460f94c18625/html5/thumbnails/2.jpg)
© Oxford University Press 2011
IB1.12.2 Images
X-ray of upper chest and arms of a baby. The baby’s mother was giventhalidomide when she was pregnant. This caused the baby to have very
short arms because the arm bones did not develop properly.
![Page 3: © Oxford University Press 2011 IB1.12.2 Images Images.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f045503460f94c18625/html5/thumbnails/3.jpg)
© Oxford University Press 2011
IB1.12.2 Images
One of these capsules contains real medicine. The other is a placebo. It looks like thereal thing but does not contain medicine. Sometimes people feel better when taking a
placebo, because they believe they are being treated.
![Page 4: © Oxford University Press 2011 IB1.12.2 Images Images.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f045503460f94c18625/html5/thumbnails/4.jpg)
© Oxford University Press 2011
IB1.12.2 Images
This boy is taking a tablet of omega-3 oil. He is part of a clinical trial to see if omega-3 can improve children’s brain function. One group took the real tablets twice a day for
eight weeks. The control group took a placebo twice a day for eight weeks. Members of each group had memory tests. Their reaction times and attention spans were also
measured.