I think there may have been some mis-understanding about my comments on Aricept. If an elderly person is suffering from loss of memory, confusion, etc. this could be indicative of just plain Dementia, and I can see good reason why Aricept would be beneficial to both PWPs and Non-PWPs, since we all have the apropriate brain cells serviced by the neuro-transmitter acetylcholine. It is also plain to see why all the books warn that Artane should not be used on elderly patients, because as an anti-cholinergic drug, its mission in life is to block the formation of acetylcholine. What I was trying to say is that I don't expect Aricept to display any ability to improve the standard symptoms of PD: That is, Tremor, Bradykynesia, Distonia, etc. Also, I think it may be possible that Aricept may fail to make much improvement if a patient is suffering from Diffuse Lewy Body dementia; a disease which is difficult to separate from Alzheimers in a living person. Regards, -- Brian Collins <[log in to unmask]>