Hope you understand this is not a breakthrough of any significance.
Trouble is that let’s say we predict who is prone, then what?
The problem is not treatable, but knowing the markers it may open an opportunity for amelioration or mitigation of whatever is causing progression of the disease.
These people better hurry up. I forget more every day. I think I do anyway.
http://acsh.org/2014/03/optimism-blood-test-alzheimers-dont-ask-yet/
Just to confuse you more, tau protein levels in spinal fluid may also be a marker.
That’s what my favorite neurologist friend told me when i was whining about getting old.
http://www.nature.com/mp/journal/v9/n7/full/4001473a.html