A CT scan is a medical tool that provides highly detailed images of the body. It is used for diagnosing injuries, guiding treatment plans and detecting diseases. Understanding what to expect before, ...

Each year, the US performs more than 93 million computed tomography (CT) scans, many of which offer limited clinical value. For patients with mild head injuries, CT scans are often ordered reflexively ...

While these advanced imaging tools save lives by detecting injuries and illness, mounting evidence suggests they may come with long-term consequences that patients need to understand before agreeing ...

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 ...