Credit - Photo-Illustration by Chloe Dowling for TIME (Source Images: Lu ShaoJi—Getty Images, cscredon/Getty Images via Canva.com) Calvin Sun was a healthy 37-year-old when a full-body MRI scan ...

Increasingly, full-body computed tomography screening is being marketed to healthy people. In discussions of the pros and cons of this procedure, potential risks from radiation exposure frequently ...