To: Tebay, Wendy Re: Studies of exercise slowing down pd. Check out these two references: 1. Sasco AJ, Paffenbarger RS, Gendre I, Wing AL. (1992). The role of physical exercise in the occurence of parkinson's disease. Archives of Neurology, Volume 49, pp.360-365. 2. Kuroda K, Tatara K, Takatorige T, Shinsho F. (1992). Effect of physical exercise on mortality in patients with parkinson's disease. Acta Neurologica Scandinavica, Vol 86, pp. 55-59. Good luck and stay active! Mark Hirsch ([log in to unmask]) --