Dementia off the Menu: Mediterranean diet tied to low Alzheimer's risk Ben Harder People who eat a Mediterranean-style diet are less likely than their peers to develop Alzheimer's disease, according to new research on elderly Manhattan residents. The study is the first to link brain benefits to a comprehensive dietary pattern rather than to individual foods or nutrients, say the scientists who performed the research. BRAIN FOODS. A diet rich in vegetables, their oils, and certain other menu choices appears to guard against Alzheimer's. Traditional Mediterranean menus are rich in fruits and vegetables, fish, and unsaturated fat. They contain little...