The effect of dietary cholesterol on cognitive function is debatable.

A study found that following the Mediterranean or DASH diets is linked to better brain function and slower mental decline in older adults, while the MIND diet improved initial cognition but didn't slow cognitive decline over time.

High-fat, high-sugar diets could impact cognitive function









New research from the University of Sydney links fatty, sugary diets to impaired brain function. The findings build on a growing

Published in Neuron, new research demonstrates how a high-fat diet, even short-term, can rapidly affect brain health, but there are ways to reverse this and prevent long-term cognitive decline.