READ MORE: Where you live could raise risk of Parkinson's by 126 per cent A subtle change to vision may be the first tell-tale warning sign of the neurological disease Parkinson's, experts have ...

Atypical parkinsonism, or the so-called Parkinson-plus syndromes, does not respond to dopaminergic or other therapies that are used for Parkinson's disease. The 2 most common of these conditions ...