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 ...

The number of computed tomography (CT) scans of the head, abdomen/pelvis, chest, or spine performed on children younger than 14 years has risen dramatically since 1996, elevating radiation-induced ...

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 ...

CT scans — those marvels of modern imaging that can peer inside our bodies in seconds — may also be contributing to a slow-moving wave of cancer. A new modeling study estimates that radiation from CT ...

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 ...