News tagged with ionizing radiation

New articles examine safety of airport security scanners

The Transportation Security Administration (TSA) has begun to use whole-body imaging scanners as a primary screening measure on travelers passing through airport security checkpoints. One type of scanner employs millimeter ...

dateMar 16, 2011 in Health
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Functional boost for magnetic resonance imaging

Over the last few years, researchers have used a type of brain scanning, known as functional magnetic resonance imaging fMRI, to help them map changes in blood flow in the brain and to correlate this with thoughts and behavior. ...

dateJan 18, 2011 in Medical research
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Cancer in a single catastrophe

Most of the time cancer seems to creep up gradually over time; cells become premalignant, then increasingly abnormal before they become cancerous. But sometimes cancers seem to pop up as if out of nowhere. Now, researchers ...

dateJan 06, 2011 in Cancer
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Expert panel addresses safety in medical imaging

An expert panel convened today at the annual meeting of the Radiological Society of North America (RSNA) to discuss medical imaging appropriateness, ionizing radiation from imaging procedures and efforts under way to curb ...

dateDec 02, 2010 in Other
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