We've had numerous people diagnosed with Alzheimer's who got better; they just come out of it; they are leading normal lives today. And then, of course, what the doctors say is it's not Alzheimer's. You run into that Catch-22 all the time. They say, well, it was probably just a temporary premature dementia, and they write-off the recovery to preserve their ignorance.
It isn't the things that happen to us in our lives that cause us to suffer, it's how we relate to the things that happen to us that causes us to suffer.