North Shore University Hospital has been using a blood test instead of radiation to help determine whether a patient has ...

CT scans offer one way to learn more about the location, size, and shape of a brain aneurysm. A brain aneurysm is a weak or very thin spot on an artery in the brain that bulges out and fills with ...

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 ...

A rising number of Canadian facilities are using mobile brain scanners to help patients, by offering MRIs mid-surgery in hospital or diagnosing stroke right on the roadside. So what's the future of ...

Add Yahoo as a preferred source to see more of our stories on Google. Do CT scans raise your risk of cancer? A new study weighs in. (Getty Images) Radiation is everywhere—in the air we breathe, the ...

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