Health-related-quality-of-life (HRQOL) is severely affected in Parkinson’s disease. In a study of veterans, HRQOL was more impaired in Parkinson’s disease than in those with any other condition.
Gage, Heather, Ann Hendricks, Shuo Zhang, and Lewis Kazis. The Relative Health Related Quality of Life of Veterans with Parkinsonâ??s Disease. J Neurol Neurosurg Psychiatry. 2003; 74(2): 163-9. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1738285/?tool=pubmed