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How an MRI Works



Magnetic Resonance Imaging aka MRI, is a procedure used in hospitals to be able to see injuries beyond that of bone injuries, which you would use an X-ray machine for instead. An MRI machine uses a magnetic field and radio waves to create detailed images of the body. Anything from a brain scan, to scanning the muscle around your knee.

No ionizing radiation is involved with an MRI, like that of a CT scan or an X-ray. As I was researching I found a story on how researchers from UCLA are using sugar injections and an MRI to better detect cancer. Laboratory mice were injected with a mix of Sugar Water, and the MRI sensitized to recognize glucose. Tumors Consume much more sugar than normal tissue, so they blaze like the sun on images of the scan.

No lab rats were reported to be injured during this experiment.


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