Research from the UK University of Leeds has confirmed that drinking just one glass of grape juice a day increases spatial memory and driving abilities. The researchers attribute the brain boosting benefits to the polyphenols in the grapes.

The study followed 25 healthy mothers between the ages of 40 and 50. Each had young children and worked more than 30 hours a week. The mothers drank 12 ounces of Concord grape juice every day for 12 weeks and had their driving skills tested before and after the study period using a computer simulator.

Louise Dye, Ph.D., a professor at the University of Leeds and senior author of the study, notes, “This research is very promising, as it suggests that the cognitive benefits associated with Concord grape juice are not exclusive to adults with early memory decline. We saw these benefits even after the grape juice was no longer being consumed, suggesting a long-term effect of dietary flavonoids.”