Thanks a million, John, for posting the research papers. For the first time, I see very serious and promising research on exercise that I believe will radically change and improve the medical treatment of PD in a short time. Some of us are already reaping the benefits of this research by simply using normal stationary bicycle. I lift my hat to Jay Alberts and his team and while his research is still at it's infancy, I feel very optimistic that great things will emerge that will bring much relief from PD suffering.
Imad