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Scientists may have found a better way to spot early signs of dementia: our eyes

Katherine Ellen Foley
Scientists may have found a better way to spot early signs of dementia: our eyes

It makes sense that it’s surrounded by biological safeguards: a bony skull, a sack of tissue, and blood vessels that filter out most infectious bugs. Grey matter is excellent at adapting to the slow buildup of abnormal proteins, the cause of several forms of dementia, and it lacks the same pain receptors as the rest of our body. In order to slow or prevent dementia, scientists will have to be able to spot it before cognitive systems collapse.