Drugs developed to treat Alzheimer’s disease have failed to stop its progression in people experiencing mental decline. The challenge for scientists is to find out if the disease can be identified and treated before people show any symptoms.

Researchers at Washington University have been part of the effort to identify biological markers in spinal fluid and brain scans that can indicate a person’s risk of Alzheimer’s. New research from the medical school offers evidence that the different markers are equally accurate in predicting who will become impaired.

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