Associated Press
This undated handout photo provided by the Cincinnati Children’s Hospital shows a young patient getting a CT scan at the Cincinnati Children's Hospital Medical Center in Cincinnati. The government is taking steps to help ensure that children who need CT scans and other X-ray-based tests don't get an adult-sized dose of radiation. Too much radiation from medical testing is a growing concern, especially for children, because it may increase the risk of cancer later in life.  (AP Photo/Cincinnati Children’s Hospital)

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