>I wonder why researchers check only brain tissue when dealing >with PD and other neurological diseases. Why don't they >correlate their findings on brain tissue with tissue from other >organs.......especially liver tissue? They do sometimes. I remember seeing a presentation where they were talking about Lewy bodies (the presence of which is a major indicator of PD) and they said these often turned up in other organs. As to why they only request *brain* donations rather than *whole body*, I don't know. Maybe a representative of one of the Brain Banks is here..... Simon --------- My opinions are my own, NIP's opinions are theirs ---------- Simon J. Coles Email: [log in to unmask] New Information Paradigms Work Phone: +44 1344 778783 http://www.nipltd.com/ Work Fax: +44 1344 772510 =============== Life is too precious to take seriously ===============