15,000 Will Die From CT Scans Done In 1 Year Scans have higher levels of radiation than thought, researchers say Dec. 14: According to new reports in the Archives of Internal Medicine, radiation exposure from commonly performed CT scans may contribute to thousands of future cancer cases. NBC's Robert Bazell reports. Dec . 14, 2009 CHICAGO - Radiation from CT scans done in 2007 will cause 29,000 cancers and kill nearly 15,000 Americans, researchers said Monday. The findings, published in the Archives of Internal Medicine, add to mounting evidence that Americans are overexposed to radiation from diagnostic tests, especially from...