Grain Brain: The Surprising Truth about Wheat, Carbs, and Sugar--Your Brain's Silent Killers

Reducing frequent, prolonged insulin spikes by minimizing concentrated carbohydrate consumption is one of the top ways of preserving and enhancing insulin sensitivity, thus minimizing inflammation and fat storage. Insulin is a one-way valve on your fat cells, preventing the release of stored calories for fuel. Many organs enjoy using fat for fuel,

Eliminate or reduce grains, sugar, and starch. Allowing your brain to run on fat, or more specifically ketones, may increase blood flow to the brain by as much as 39 percent.14 More on this in the next chapter.