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 Journal of Medicine suggests that the radiation exposure from imaging could pose a risk for pediatric cancer. John Yang speaks with Dr. Rebecca Smith-Bindman, the study’s lead author, to learn more. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy