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Radiation from CT scans may raise cancer risks

• Reuters
Radiation from CT scans done in 2007 will cause 29,000 cancers and kill nearly 15,000 Americans, researchers said on Monday.

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The findings, published in the Archives of Internal Medicine, add to mounting evidence that Americans are overexposed to radiation from diagnostic tests, especially from a specialized kind of X-ray called a computed tomography, or CT, scan.

"What we learned is there is a significant amount of radiation with these CT scans, more than what we thought, and there is a significant number of cancers," said Dr. Rita Redberg, editor of the Archives of Internal Medicine, where the studies were published.

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