Alzheimer's Disease: Criteria for Diagnosis Expanded to Include Abnormal Brain Scans, Spinal Taps

The criteria for diagnosing Alzheimer's disease has been updated to incorporate new brain imaging and biochemical tests that could signal the disease before symptoms appear. The update, which is the first in 27 years, stems from mounting evidence that the degeneration of nerves deep within the brain starts years or even decades before memory loss and other cognitive changes are noticeable. "It is our hope that incorporating scientific knowledge gained and technological advances made over the...Full Story
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