A Common Liver Drug Could Be Key to Curing Parkinson's

The tragedy of Parkinson's, which progressively robs patients of their physical abilities, is that while certain drugs, therapies and devices can restore some quality of life, so far we haven't found a way to stop brain cells from dying. Now, researchers in the UK and Norway have found a drug that could keep brain cells functioning normally -- and it's been used to treat liver disease for years.