brain scan

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DIGEST: [HuffPo UK, Science Daily, DailyMail]

By the time patients are diagnosed with Alzheimer's, most will already have experienced memory loss and motor-skill decline. But now, researchers at University College London (UCL) have perfected a cutting-edge form of PET (positron emission tomography) scanning, called amyloid PET, that allows them to use radioactive tracers in the brain to spot the telltale proteins that build up in neurodegenerative diseases like Alzheimer’s and other dementias, as much as 15 years before any symptoms.

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