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Skin test may help spot Alzheimer’s and Parkinson’s disease
BBC News

Scientists have proposed a new idea for detecting brain conditions including Alzheimer’s – a skin test. Their work, which is at an early stage, found the same abnormal proteins that accumulate in the brain in such disorders can also be found in skin.

Early diagnosis is key to preventing the loss of brain tissue in dementia, which can go undetected for years. But experts said even more advanced tests, including ones of spinal fluid, were still not ready for clinic.

If they were, then doctors could treat at the earliest stages, before irreversible brain damage or mental decline has taken place.