Thank you for one more excellent survey you have accomplished Murray. Murray Charters wrote: > Thanks for this insight Joao Paulo, to think otherwise would > be a total bummer! > > I attended an educational meeting last year and the speaker > was Dr. A. Rajput... His topic included toxicity and levodopa > and he said that examination of the brains of people who had > passed away (from natural causes) after long histories of levadopa > therapy showed no evidence of levadopa toxicity. See refer. below... > > PMID: 9380042 > 1: Mov Disord 1997 Sep;12(5):634-8 > > Is levodopa toxic to human substantia nigra? > > Rajput AH, Fenton Me, Birdi S, Macaulay R > Division of Neurology, Royal University Hospital, Saskatoon, Saskatchewan, Canada. Cheers, Joao Paulo - Salvador,BA,Brazil