Lower levels of uric acid appear to associated with PD in these studies.

http://bmjopen.bmj.com/content/3/11/e003620.short

http://jpet.aspetjournals.org/content/324/1/1.full

A smaller study published last year also suggested that high uric acid levels could slow the progression of Parkinson’s Disease.

http://www.telegraph.co.uk/news/heal...sufferers.html