Scientists in Japan and Australia have developed a blood test that can detect the build-up of toxic proteins linked to Alzheimer's disease. The test was 90% accurate when trialled on healthy people, those with memory loss and Alzheimer's patients, as reported in the journal Nature.

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Scientists in Japan and Australia have developed a blood test that can detect the build-up of toxic proteins linked to Alzheimer's disease. The test was 90% accurate when trialled on healthy people, those with memory loss and Alzheimer's patients, as reported in the journal Nature.