On Oct. 6 Ralph Reichert asked for info re: Estrogen Replacement Therapy and PD symptoms. In the February 1996 issue of Neurology, vol.46, No.2, two separate studies, "Menstrual Cycle changes and PD." and "Menopause and PD," arrived at contrary conclusions concerning the effects of estrogen on PD. The conclusion was that more study was needed. More information may be available from Dr. Matthias C. Kurth, M.D., Ph.D. at the Barrow Neurological Institute, Phoenix, Arizona. Stephan 53/7