We consider the effects of full body CT scans on healthy people. New research says that elective full-body computed tomography (CT) scans can increase a person's risk of cancer. "The radiation dose ...

Radiation is everywhere—in the air we breathe, the water we drink, the walls of our homes and offices, emanating from microwaves, at the dentist, and at the doctor if we break a bone. And we’re told, ...

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 ...