The MIND diet has often been linked to weight loss as well as memory and brain health. This diet, high in  green leafy vegetables, beans, berries, whole grains and wine may help slow normal brain aging and cognitive decline, according to a new study from the Rush University Medical Center in Chicago. The study showed that elderly adults who strictly followed the MIND diet were 7.5 years younger cognitively over a period of nearly 5 years. he study findings suggest that the MIND diet substantially slows cognitive decline with age.