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Supersized scanner to explore the body and hunt down disease

(Reuters) When they were kids, Simon Cherry and Ramsey Badawi both wanted to be astronomers, unlocking mysteries in far off galaxies. That didn't work out for them. The pair still plan on unlocking mysteries but this time inside the human body. 
They've received a $15.5 million grant to build the world's first full body PET scanner. Unlike X-Rays and MRI's that image structure in the body. Positron emission tomography, or PET, images function on a molecular level.   
"We are able to say something about what the cells in the body are doing," said Simon Cherry a professor of radiology and biomedical engineering at the University of California, Davis.
"How actively they are metabolizing, for example, or how quickly they are dividing. So taking cancer for example that could be tremendously powerful to see when you give a drug whether that shuts down the metabolism of a tumor," he added.
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