X-rays and CT scans have revolutionized medicine. Doctors can look inside the body and diagnose diseases even before people feel ill. But medical imaging that uses radiation comes at a cost. A new ...

CT scans are used to investigate all sorts of medical issues, from checking for brain bleeding after a kid takes a hard hit on the soccer field, to revealing what a bike accident did to a cyclist’s ...

NPR's Ayesha Rascoe asks Dr. Rebecca Smith-Bindman about her research indicating CT scans, which emit radiation, will cause some 100,000 cases of cancer annually. X-rays and CT scans have ...