http://www.alzforum.org/news/research-n ... ippocampus
the highly respected diabetes doctor richard k bernstein hypothesizes that damage to the pericytes is caused by high blood sugars:
https://www.youtube.com/watch?v=_zyaa5p ... vMo0Ck_lcY
dr bernstein's philosophy is that diabetics are entitled to normal blood sugars. his target is an a1c of 4.2-4.6. i have never been anywhere near that. my lowest a1c has been a 5.1. but i will try my best to get it to at least 5.0.