Romantics say that you can see a person’s soul by looking into his or her eyes. Apparently, you also can see whether they eventually will develop Alzheimer’s disease.The same biomarkers that accumulate in the brain — proteins called beta-amyloids that clump together into sticky “plaque” that are the signs of Alzheimer’s disease — appear in the retina of the eyes up to 15 years before the onset of any symptoms.
Diagnosing Alzheimer’s today is an expensive, invasive and not always readily available process, mainly utilizing PET brain imaging and lumbar puncturing. But what if all a physician had to do was plug in a portable scanner and train it on a patient’s eyes?
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