Nigel, i believe that there was change in my health due to the death of my daughter at 6 years of age. my will to live was nearly nonexistent for some time. the depressed state chemistry may well be a factor IMO. doing little or nothing may broadly affect us via whatever the 'use it or lose it' process is. i consider this may be the place to look for this disease - perhaps all neurodegenerative disease. >Her neuro said it was just a coincidence to get PD following trauma. > >Does anyone have a similar experience? ron -- Ron Vetter 1936, '84 PD dz mailto:[log in to unmask] http://www.ridgecrest.ca.us/~rfvetter