Top stories in health and medicine, December 3, 2012

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1. Kids Subjected to More Imaging Studies. Children have undergone more CT scans over the past decade or so, along with rising pediatric use of other diagnostic imaging procedures.

2. DSM-5 Wins APA Board Approval. The American Psychiatric Association’s board of trustees has approved the fifth edition of its influential diagnostic manual, dubbed DSM-5.

3. Repeat CT Scans May Up Breast Ca Risk in Young Women. A female teenager who undergoes repeat chest or cardiac CT studies may see her 10-year risk for breast cancer double.

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