In a message dated 97-05-06 02:05:08 EDT, you write: << Wouldn't it be logical for PD to affect everyone on their dominant side (or on their non-dominant side)? >> "Logic is in the eye of the logician." Gloria Steinem My dad (73/6) was born left dominant, trained right dominant, and his symptoms began on the right. He never has fit neatly into any categories, PD or otherwise. I guess that's part of his charm. Some researchers are beginning to claim there is a connection between PD and Alzheimers. Many PWP claim not to have Alzheimers, just Halfheimers, to indicate growing forgetfulness. Welcome to the list, Mary. Deanne Charlton, CG [log in to unmask]