“Numerous studies have found that greater adherence to a Mediterranean-style diet is associated with preservation of brain health and decreased risk of cognitive decline,” said Dr. Brendan Kelley, a neurologist at The Ohio State University Wexner Medical Center and a member of Ohio State’s Neurological Institute. “This effect appears to extend throughout the lifespan, and a Mediterranean-style diet has even been associated with a decreased rate of cognitive decline among those already having cognitive impairment (or even dementia).”