There is no Parkinson disease.
Arch Neurol. 2008 Jun;65(6):705-8
Authors: Weiner WJ
The term Parkinson disease defines a specific clinical condition characterized by a typical history and characteristic signs. This review examines the historical evolution of the concept of Parkinson disease and how the misunderstanding of Parkinson disease may be hindering clinical research trials. It is proposed that this syndrome be called Parkinson diseases or parkinsonism type 1 through infinity.
PMID: 18541790 [PubMed - indexed for MEDLINE]