Children and adolescents exposed to medical imaging face a small but significant risk of developing blood cancers, according to a study published Sept. 17 in The New England Journal of Medicine.  The study, led by researchers from the University of California San Francisco and UC Davis, analyzed health records from more than 3.7 million children across six U.S. health systems and Ontario, Canada, who were born between 1996 and 2016. 

The study found that over an average of 10 years of follow-up, 2,961 hematologic cancers were diagnosed. Researchers also found that the cancer risk increased with cumulative radiation dose, with children who received 30 milligrays of radiation exposure having a 76% higher risk compared to those with no exposure.  Around 10% of all hematologic cancers from th

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