Quotes: High carb diet and Alzheimer's Disease

 In this paper, we highlight how an excess of dietary carbohydrates, particularly fructose, alongside a relative deficiency in dietary fats and cholesterol, may lead to the development of Alzheimer's disease.”

This leads to cholesterol deficiency in neurons, which significantly impairs their ability to function.”

Other neurodegenerative diseases ... may also be due in large part to this same underlying cause.”

Nutrition and Alzheimer's disease: The detrimental role of a high carbohydrate diet. 
Eur J Intern Med. 2011 Apr;22(2):134-40