Ron Scott
you may find information here:
http://mp.medscape.com/cgi-bin1/DM/t/hDIhS0VoXWR0D2s0DUDl0Et&uac=126040DG
"In an interview with Medscape Medical News, Dr. Dandona explained that the literature shows a "clear epidemiological relationship" between obesity and type 2 diabetes and AD, with rates of AD twice as high in this population relative to the normal population. In addition, recent autopsy studies of AD patients have shown a lack of insulin and insulin signaling in the brain.
More recently, it was shown that adding β-amyloid to cultured neurons induces oxidative stress and inflammation, “but when you add insulin, this is neutralized. “The next question was can we marry these 2 findings in our work,” Dr. Dandona said."