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Full-Body CT Scans May Boost Cancer Risk

New research finds that even one "full-body" CT scan is likely to raise the risk that a person will die from cancer. But experts note the greatest increase in risk occurred in patients who underwent multiple scans -- which most people are unlikely to need. NPR's Jon Hamilton reports.

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Jon Hamilton is a correspondent for NPR's Science Desk. Currently he focuses on neuroscience and health risks.