(Bronwyn Thompson/ New Atlas) — For the first time, scientists have identified a marker in the retina that may lead to the development of Parkinson’s disease, and it may be detected years prior to diagnosis.

Researchers out of Moorfields Eye Hospital and University College London (UCL) conducted the largest study to date  …

(Sandee LaMotte/ CBS News) — The 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, director of medical education at the Institute for Neurodegenerative Diseases  …

(Rich Haridy/ New Atlas) — A new study has proposed that a simple retina scan could indicate whether a person is at risk of early death. The research found the greater the gap between a person’s chronological age and retinal age the higher their risk of dying.

We have all heard the saying “age is just a number.”   …