http://www.thefatemperor.com/blog/2017/2/21/dr-joseph-kraft-passed-away-today-rest-in-peace
He was a remarkable pioneer in defining hyperinsulinemia. If you haven't read his book, you should. It's available here and explains the underdiagnosis of diabetes, and I do think that much of Alzheimer's is "Type 3 Diabetes." https://www.amazon.com/Diabetes-Epidemic-You-Joseph-Kraft/dp/1425168094