this sounds promising http://news.yahoo.com/s/hsn/20090526/hl_hsn/whychimpsmonkeysdontdevelopalzheimers
so how exactly will they change these human amyloid plaques? make them look like the chimps got it? yay for de-evolution, not.
do chimps live long enough? you need to reach a certain level to experience alz, my opinion. i had a dog that walked in circles when he got older, this indictes, t me, some form of dementia.