Parkinson’s disease was first identified 200 years ago, but so far, there is no cure. Most people have the disease for many years before it's diagnosed, making it too late for effective treatment. So scientists are focusing on research in an effort to stop the disease before symptoms appear. VOA’s Deborah Block has more during Parkinson’s awareness month in the United States.
Originally published at - http://www.voanews.com/a/scientists-research-brain-to-stop-parkinsons-disease/3811989.html