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 ...

Computed tomography scans have become vital, even lifesaving, medical imaging for diagnosing and monitoring health conditions. But they do expose patients to ionizing radiation at levels linked to ...

CT scans, or CAT scans, are widely used to get internal images of the body and diagnose dangerous medical conditions — but they could pose a hidden risk. A new study from the University of California ...

Preparation guidelines for a CT scan depend on the type of scan you’re having. If you’re having a bowel scan or a scan with contrast dye, you may need to adjust your diet. Preparation for a CT scan ...

Use of head CT scans in U.S. emergency departments has more than doubled over the past 15 years, a new study says. Nearly 16 million head CT scans were ordered by ERs in 2022, up from under 8 million ...