Blood test predicts Alzheimer's disease

Blood test predicts Alzheimer's disease

CNN: Researchers have developed a blood test that will predict whether a healthy person will develop the disease.

Though much work still needs to be done, it is hoped the test will someday be available in doctors' offices, since the only methods for predicting Alzheimer's right now, such as PET scans and spinal taps, are expensive, impractical, often unreliable and sometimes risky.

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