[imdavidson]

You're so right. Even if this test and others like it eventually become the gold standard in identifying who will experience cognitive problems, there's still the issue of "what's the alternative," since there may not be, as you said, cognitively safe drug choices anyway.

But on the positive side, such a test may help validate what people are going through and it may help patients' families understand what's going on so that they're more accepting.

And about exercise, I'm right with you on that!