ANN ARBOR, Mich. — As more and more Americans undergo CT scans and other medical imaging scans involving intense X-rays, a new study suggests that many of them should take a pre-scan drug that could ...

Computed tomography (CT or CAT) scans help doctors detect everything from cancer to kidney stones. But some physicians are raising concerns about the safety of such procedures — most notably, an ...

CT scans diagnose afflictions from tumors to kidney stones to life-threatening diseases and injuries, such as aneurysms and blood clots leading to stroke. But the radiation emitted by this essential ...

Jim Lee’s kidney — his only kidney — is 109 years old, and it’s still going strong. It started out as his dad’s kidney, and in 1979, when Lee’s father, also named Jim, was 65, Lee underwent a ...