so tending to suggest a wait and see approach to the prostate?
Yes
Also, advances in treatment might be a factor?
Just the radioactive seeds or pellets. He's not a candidate.
Do they consider it to be early or late onset alzheimer's disease?
Anything earlier than 65 is early onset.
He started showing signs of problems thinking and remembering at work when he was 59.
Regardless that he is so young, the disease is progressing faster. The MMSE score has been dropping. That score is what indicates the stage he is in.
I've been helping him more and more with things. There are very few things he can do unassisted anymore.