[HereInTheHeartland]

“Should one get alzheimers, one’s inclination would be to just deal with it. “

You don’t “just deal with it”.
It’s a horrific disease and a terrible way to go .
If a treatment can prevent it or control the symptoms that’s a huge advance forward .

[OKSooner]

Yes, I'm aware of what alzheimer's does to people. Right now I have a very kind neighbor lady who is living that experience.

If you understand what I mean, no explanation is necessary. If you require an explanation, no explanation will suffice.