Stephan, You said: >By the way . . . does anyone else experience an >increase in tremors while yawning? It's the strangest thing. I >can't find anything about this symptom in the literature. Yes, very much so. It is in fact a little strange in that my PD symptoms are not tremor but rigidity. I have no tremor whatsoever normally but, when I yawn, my affected right arm goes into real shake mode. Ernie 54/3.5. Ernie Peters <[log in to unmask]>