Not sure I spelled his name correctly, but I just read that Omar Sharif has Alzheimer's Disease. He's 83 & his son said he has been "suffering" with it for about 3 years. Probably longer than that, but they just didn't know it.
I tried to copy a link, but being the technically challenged person that I am, it obviously didn't work. I'm sure just googling the name will turn up something for anyone interested in reading yet another story of the famous...