Radiation From CT Scans Linked to Cancers, Deaths

CT scans deliver far more radiation than has been believed and may contribute to 29,000 new cancers each year, along with 14,500 deaths, suggest two studies in today's Archives of Internal Medicine. One study, led by the National Cancer Institute's Amy Berrington de Gonzalez, used existing exposure data to estimate how many cancers might be caused by CT scans.'

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