One Daily Cup of Blueberries Found to Improve Cognition Blueberries can significantly improve cognitive performance within hours of consumption. When you search the medical literature for studies on berries, papers like this pop up: “A 3-Week-Old With an Isolated ‘Blueberry Muffin’ Rash.” Or, you’ll see pictures of strawberry tongues or read about a way to describe the appearance of stool, though...Read More