At 08:31 AM 4/13/98 -0400, you wrote: >Carbon monoxide is a well-known cause of PD-like symptoms, if not PD itself, >as are carbon disulfide & manganese. I think you hit the nail right on the >head. > i am glad you said some thing about carbon monoxide in earlyer post i taold i how i all most died of it. and i don't know the times i was was over come by sewer gas I.Y.Q DON