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 ...

Imaging methods like X-ray, ultrasound and computed tomography (CT) are good at showing structures inside your body. They tell us about the size, shape and position of things. This includes both ...

What are the side effects of all those medical zaps? — -- intro: Over the past ten years, Jill Nelson, 52, a health coach, personal trainer and counselor in Chicago, has received at least seven ...

A new analysis estimates that more than 100,000 cancer cases per year could be caused by radiation from CT scans. In some cases, the information provided by a CT scan could also be obtained from other ...

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 ...

A full-body scan is usually a type of computed tomography (CT) scan that scans your whole body, starting below your chin. These scans can also be done using MRI or PET scans, but CT scans are the most ...