Here are the top evidence-based food items with strong support for preventing dementia and Alzheimer’s disease, based on clinical research and widely accepted dietary recommendations: 1. Leafy Green Vegetables Examples : Spinach, kale, collard greens, Swiss chard. Why : Rich in vitamin K, lutein, folate, and beta carotene, which support brain health and cognitive function. Evidence : Studies, such as the MIND diet trials, associate daily consumption of leafy greens with slower cognitive decline. 2. Berries Examples : Blueberries, strawberries, blackberries. Why : High in flavonoids and antioxidants that reduce inflammation and oxidative stress in the brain. Evidence : Harvard studies link higher berry intake to improved memory and delayed brain aging. 3. Fatty Fish Examples : Salmon, mackerel, sardines, trout. Why : Contains omega-3 fatty acids (DHA and EPA), crucial for brain structure and function. Evidence : Regular consumption reduces risk of Alzheimer’s and improves memory and co...