[header] How to use diet to help you focus [title] Have some fruit. [step] Fruit is a great source of dietary fiber and other nutrients that promote overall health. Some evidence suggests that including fruit in your diet may also reduce your risk for cognitive decline. 
[substeps] Bananas, in particular, contain tryptophan, which some studies have linked to improved memory. Top your yogurt or oatmeal with fresh strawberries, cherries or raspberries.