The brain chemical that triggers Parkinson's Disease has been found! Researchers at Saint Louis University School of Medicine delivered this piece of good news to many thousands of sufferers out there. Now instead of replacing the lost dopamine in patients, they can concentrate on finding therapies that can actually stop or slow this process that triggers the events in the brain leading to the cause of this neurological disorder. Let's hope they develop the therapies soon! Read this link to find out more about this research.