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brain changes

Experts call for diagnosing Alzheimer’s by brain changes, not symptoms

TAMPA, US: In an effort to speed research toward a cure for the most common form of dementia, experts urged a new framework Tuesday to diagnose Alzheimer's disease using biological clues, rather than symptoms of memory loss. Alzheimer's affects some 44 million people around the world, but remains poorly understood, with no effective treatments despite billions of dollars spent on research. Clinical trials have stumbled, with recent research showing that up to 30 percent of participants trying experimental drugsĀ did not…