Things they forgot to say

I've seen news reports on these studies everywhere.
They're getting way better at diagnosing, it's a shame none of their treatments work.

Worried You May Be Developing Alzheimer's? Check Your Eyes and Nose

Two points-
Retinas have insulin receptors. That's why the get messed up in diabetes. That's why your vision gets blurry when you spike and crash your blood sugar.

Olfactory function is regulated by orexin.   Less orexin- less olfactory response.  There is plenty of evidence this is also a glucose sensitive system.

Nonetheless, testing gets a lot of people in the door.
And as I said earlier...  cognitively impaired customers....