Medical imaging, like X-rays and CT scans, are routine, non-invasive and painless tools used by doctors to make diagnoses. But a recent study of about 4 million children published in the New England ...

Radiation exposure from medical imaging was associated with a 3.59-fold increased risk for hematologic cancer in children receiving 50 to < 100 milligray (mGy) compared to those who had no exposure.