A older patient is guided into a CT scanner — an essential diagnostic tool whose life-saving power is now being weighed against growing concerns about long-term radiation exposure. Computed tomography ...

Biologically speaking, there is no organ as vital or complex as the brain. And yet, the brain still remains somewhat a of a mystery-there’s a lot that even experts don’t know. Another troubling fact ...

CT scans are quick, painless, non-invasive tests that can identify everything from brain tumors to injuries from an accident. But a new study published in the journal JAMA Internal Medicine shows a ...

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 ...