Computer tomography scans, or CT scans, are an invaluable tool for diagnosing cancer and other conditions. But in a cruel twist, the medical imaging technique may be more harmful than once thought, ...

A new study has set off alarm bells, attributing the overuse of computed tomography – or CT – scans to around 5% of new cancer diagnoses annually. Since 2007, this imaging technology has seen a 30% ...

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 ...

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 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 ...

Forbes contributors publish independent expert analyses and insights. Paul Hsieh, M.D., covers healthcare economics, innovation, and policy. Radiologists have fielded numerous questions in recent ...