Alzheimer's First Signs May Appear in Your Eyes, Study Finds

Source: CNN - Top StoriesThe eyes are more than a window to the soul—they're also a reflection of a person's cognitive health. "The eye is the window into the brain," said ophthalmologist Dr. Christine Greer of the Institute for Neurodegenerative Diseases. "You can see directly into the nervous system by looking into the back of the eye, toward the optic nerve and retina." Now, a new study of retina tissue has gone even further, finding biomarkers linked to...