Good Morning. I am 66 years old and was diagnosed at age 59. I am doing well for the most part, except for the need for a nap daily (without it, I fade in early evening, but naps aren't a bad thing. I have followed the advice of many and taken on many forms of exercise. I have a workout I can take with me and one for the gym, and I attend classes whenever I can. I feel as though I am slowing the onset of physical symptoms the best I can. Question beginning to nag at me--are these daily episodes of short term memory loss a symptom of age or PD or both? My movement disorder specialist and I have decided to try Aricept. Does anyone have experience with Aricept and its effectiveness?