"Studying the diets of the 'Mindspan elite'--those populations that live longest with low levels of dementia--as well as the ways that certain food additiives and ingredients interact with our genes, Dr. Preston Estep explains how the recent slew of popular brains-and-aging books have steered us down the wrong dietary path. Shattering myths about which foods are (and are not) benefitial to our brains, 'The mindspan diet' reveals a simple plan to slow cognitive decline."--Jacket.