Recent findings suggest CT scans could be a major cancer risk, but some critics don’t think the estimates add up.

As CT scans become increasingly prevalent in U.S. health care, radiation from the often lifesaving imaging technique could come with a steep long-term cost: tens of thousands more cases of cancer, ...

Researchers worry radiation from the scans could have future side effects. Nov. 28, 2007— -- Radiation from the increasingly popular computed tomography scanning machines may be causing cancer, a ...