We aren't there yet with Parkinson's Disease, but I still remain excited about the possibility of turning back time with stem cells. Even if the disease continues to progress, we may be able to refill our tanks with dopaminergic neurons.
"Researchers at the National Eye Institute (NEI) are launching a clinical trial to test the safety of a novel patient-specific stem cell-based therapy to treat geographic atrophy, the advanced “dry” form of age-related macular degeneration (AMD), a leading cause of vision loss among people age 65 and older. The geographic atrophy form of AMD currently has no treatment."